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Mortgage Note Investing Knowledge Base
380 terms, 30 lessons, 229 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
95 Videos · 57 Articles · 56 Podcasts · 21 Case Studies
September 16, 2026
VideoThe Modern Note Investor Website: What Has Changed and What Still Matters
Build two note investor websites -- borrower-facing and investor-facing -- using modern tools like Next.js, AI content pipelines, and MDX publishing.
September 15, 2026
Case StudyCase Study: $4,965 Full Payoff from Surplus Funds on a Second Lien
NPL case study: a $4,965 second lien paid off in full through surplus funds after the senior lienholder foreclosed — zero legal costs to the investor.
September 14, 2026
VideoIs Real Estate Safer Than Stocks Right Now?
Real estate backed by collateral offers control and income certainty that stock speculation cannot. How to weigh safety across asset classes.
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
16 resources
3 terms · 9 articles · 4 lessons
Finance & Capital
74 resources
57 terms · 14 articles · 3 lessons
Investor Strategy
70 resources
19 terms · 39 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
62 resources
19 terms · 34 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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