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Mortgage Note Investing Knowledge Base
380 terms, 30 lessons, 226 articles — all free
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Welcome to FIXnotes
I built this library to give note investors — new and experienced — a single place to learn the business inside and out.
- 380+ encyclopedia terms covering every concept in note investing
- Free video courses from first principles to scaling a portfolio
- A community of 2,104+ investors learning and sharing deals together
Mastermind Accelerator
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Whether you want to build your own note portfolio or become a mortgage note matchmaker earning transaction fees, the Accelerator fast-tracks you with structured modules, knowledge checks, and a real-world capstone simulation.
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Popular Terms
Due DiligenceForeclosureLoan ModificationNon-Performing LoanUnpaid Principal BalanceLien PositionDeed in LieuPerforming LoanLoan-to-ValuePromissory Note
Browse all 380 terms →Latest Content
93 Videos · 57 Articles · 56 Podcasts · 20 Case Studies
September 11, 2026
VideoThe Beginner's Guide to Due Diligence on Performing Notes
Performing notes require a different due diligence checklist than NPLs — covering seasoning, loan mod quality, credit reports, and real servicing costs.
September 10, 2026
PodcastEvaluating a Seller — Trust but Verify
Most note investors do thorough due diligence on the asset — but skip the step that tells you whether the seller is who they say they are. In this.
September 9, 2026
ArticleHow Mortgage Rate Movements Affect Note Investors
Treasury yields drive mortgage rates, which create refinance candidates in your portfolio and shape how you set modification rates on new workouts.
Learn About
Bankruptcy & Default
33 resources
22 terms · 9 articles · 2 lessons
Deal Sourcing
67 resources
31 terms · 25 articles · 11 lessons
Due Diligence
56 resources
24 terms · 24 articles · 8 lessons
Entrepreneurship
15 resources
3 terms · 8 articles · 4 lessons
Finance & Capital
74 resources
57 terms · 14 articles · 3 lessons
Investor Strategy
69 resources
19 terms · 38 articles · 12 lessons
Legal & Compliance
81 resources
62 terms · 17 articles · 2 lessons
Loan Status
17 resources
4 terms · 12 articles · 1 lesson
Loan Structure
86 resources
65 terms · 17 articles · 4 lessons
Property & Valuation
51 resources
34 terms · 16 articles · 1 lesson
Resolution Strategy
61 resources
19 terms · 33 articles · 9 lessons
Servicing & Administration
59 resources
40 terms · 13 articles · 6 lessons
Deep Dive Guides
Go deeper on the topics that matter most to mortgage note investors.
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