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Mortgage Note Investing Knowledge Base
381 terms, 30 lessons, 250 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.
- 381+ 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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Foreclosure law, lender distress, vendors, and live deal flow — by state. Tap a state for its market hub.
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Popular Terms
Due DiligenceForeclosureLoan ModificationNon-Performing LoanUnpaid Principal BalanceLien PositionDeed in LieuPerforming LoanLoan-to-ValuePromissory Note
Browse all 381 terms →Latest Content
102 Videos · 66 Articles · 61 Podcasts · 21 Case Studies
October 15, 2026
PodcastBuilding a Lifestyle-First Note Business
Most real estate businesses chain you to a location — but note investing can be designed around your life if you make that decision deliberately before.
October 14, 2026
VideoFirst vs. Second Lien Notes for Passive Income
First vs. second lien notes for passive income: how each position pays, what it costs to buy and diligence, and which fits your capital and goals.
October 14, 2026
ArticleMunicipal Liens: Hidden Costs in Mortgage Note Deals
Some municipal liens outrank your mortgage, and some never show up in a title search. How to find water, demolition and code-fine liens and price them.
Learn About
Bankruptcy & Default
33 resources
22 terms · 9 articles · 2 lessons
Deal Sourcing
70 resources
32 terms · 27 articles · 11 lessons
Due Diligence
59 resources
24 terms · 27 articles · 8 lessons
Entrepreneurship
18 resources
3 terms · 11 articles · 4 lessons
Finance & Capital
76 resources
57 terms · 16 articles · 3 lessons
Investor Strategy
75 resources
19 terms · 44 articles · 12 lessons
Legal & Compliance
82 resources
62 terms · 18 articles · 2 lessons
Loan Status
19 resources
4 terms · 14 articles · 1 lesson
Loan Structure
88 resources
65 terms · 19 articles · 4 lessons
Property & Valuation
51 resources
34 terms · 16 articles · 1 lesson
Resolution Strategy
63 resources
19 terms · 35 articles · 9 lessons
Servicing & Administration
60 resources
40 terms · 14 articles · 6 lessons
Deep Dive Guides
Go deeper on the topics that matter most to mortgage note investors.
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