Wrong vs right
Two deals can show the same cap with different hidden expenses. Match expense definitions before you argue “better.”
For property ROI, the expensive mistakes are silent omissions: vacancy, taxes, fees, or timeline.
Why fights persist
Rechecking math on the wrong table feels productive; rebuilding the table from documents is what fixes decisions.
Related lesson and Another angle are two sanity passes. Use both when money is large.
Check your numbers now
Classic slip
Mistake: pro forma rent from the seller with zero collection loss. Fix: plug your own vacancy month and late-pay rate.
Fix
| Wrong comfort | What fixes property ROI |
|---|---|
| “Numbers match” | Definitions match |
| “I’m careful” | Line-by-line audit |
| “Close enough” | Not for six-figure choices |
Real Estate ROI: same words, different spreadsheets Align lines, then compare
Bracket test
Core lesson
Related: Real Estate ROI. To test sensitivity, change one input at a time in the calculator.
Use the calculator
FAQ
- Where is the main lesson?
Real Estate ROI is the hub with related lessons linked from it.
- Which calculator should I open first?
Use Rent vs buy or Home afford for housing tradeoffs; Loan or Amortization for payments and equity.