
Hosted by Jerry Norton · EN

On this podcast Jerry breaks down the new report just released from Attom data showing the 2026 Q1 flipping results. With over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery

On this podcast Jerry breaks down a recent deal that resulted in a $27,600 wholesale profit. Get all the details. Get started with PropertyLeads! Special offer ($250 free credits!)https://www.propertyleads.com/jerry-norton/Special offer EZ REI - Don’t pay until you close!https://go.ezreiclosings.com/tc?am_id=flippingmasteryWith over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery

On this podcast learn how AI is changing the wholesale game. AI can call sellers, gather information and even set appointments! Go here to register for a FREE Training http://MyAIFlipper.comWith this system, all the AI work is Done For You (behind the scenes) and you get what you really want… the results. On this training you’ll learn how to:- Cut your marketing costs by 90% - Slash overhead and reduce staff hours- Reduce time spent working leads and making calls- And potentially make an extra $20,000 to $50,000 per month. With over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery

On this podcast Jerry explains the right way and the wrong way to bird dog real. estate deals. Learn how to make sure you're doing it correctly!With over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery

On this podcast Jerry breaks down a failed wholesale deal that was converted to a takedown deal, resulting in a $10,293 profit. Get all the details...With over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery

On this podcast Jerry explains the new Louisiana wholesale regulation SB 468 that goes into effect Aug 1, 2026. Learn everything you need to know…ViDEO: How to not get cut out of deals: https://youtu.be/1XB1DAcze1s?si=uPcQTDrXIT8jEvU2VIDEO: Why you should put down EMDhttps://youtu.be/0VVeL5q8Vd0?si=j3mg6XHKTLAsLp6NWith over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery

On this podcast Jerry explains why virtual wholesalers have such a high contract fail rate and how to fix it.Watch me Make $20k virtual wholesaling:https://youtu.be/bhAQ8SC3148?si=fPCFdYIbRFu_qq9rWith over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery

During a live presentation Jerry shares his exact framework for closing sellers. All the links to the tools:Jerry's FREE Closer Framework:https://MyCloserFramework.comFREE Instant Offer Calculator:https://FreeOfferCalculator.comFREE AI Deal Analyzer:https://dealanalyzergpt.com/With over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery

On this podcast with Austin Marvel, Jerry explains why everyone should own a small farm and how Jerry is creating a venue to share with the world. Book Your Next Event At My Farm:https://thetentalentsfarm.com/With over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery

On this podcast Jerry breaks down a rural deal that his team could not wholesale. Find out what he did instead to make a $12k profit. With over 500,000 subscribers, this is the #1 channel on YouTube for all things wholesaling and flipping. SUBSCRIBE NOW! https://www.youtube.com/@FlippingMastery Podcast fan? Listen to your favorite Flipping Mastery TV videos on your favorite podcast platform! http://FlippingMasteryPodcast.com Jerry Norton went from digging holes for minimum wage in his mid 20's to becoming a millionaire by the age of 30. Today he's the nation's leading expert on flipping houses and has taught thousands of people how to live their dream lifestyle through real estate. **NOTE: To Download any of Jerry's FREE training, tools, or resources… Click on the link provided and enter your email. The download is automatically emailed to you. If you don’t see it, check your junk/spam folder, in case your email provider put it there. If you still don't see it, contact our support at: support@flippingmastery.com or 888) 958-3028.Get Access to Unlimited Free Property Searches and Downloads: https://flippingmastery.com/propwireWholesaling & House Flipping Software: https://flippingmastery.com/flipsterpodMake $10,000 Finding Deals: https://flippingmastery.com/10kpodGet 100% funding for your deals: https://flippingmastery.com/fspodMentoring Program: https://flippingmastery.com/ftpodFREE 8 Week Training Program: https://flippingmastery.com/8wpodGet Paid $8700 To Find Vacant Lots For Jerry: https://flippingmastery.com/lfpodFREE 30 Day Quickstart Kit https://flippingmastery.com/qkpodFREE Virtual Wholesaling Kit: https://flippingmastery.com/vfpodFREE On-Market Deal Finder Tool: https://flippingmastery.com/dcpodFREE Wholesaler Contracts: https://flippingmastery.com/wcpodFREE Comp Tool: https://flippingmastery.com/compodFREE Funding Kit: https://flippingmastery.com/fkpodFREE Agent Offer Sheet & Scripts: https://flippingmastery.com/aspodFREE Cash Buyer Scripts: https://flippingmastery.com/cbspodFREE Best Selling Wholesaling Ebook: https://flippingmastery.com/ebookpodFREE Best Selling Fix and Flip Ebook: https://flippingmastery.com/ebpodFREE Rehab Checklist: https://flippingmastery.com/rehabpod LET'S CONNECT! FACEBOOK http://www.Facebook.com/flippingmastery INSTAGRAM http://www.instagram.com/flippingmastery