PropIntel AI vs a spreadsheet
I built PropIntel because I was running deals in a spreadsheet before listing appointments, and getting them wrong. This page is the honest version of that comparison — including the part where the spreadsheet wins.
The spreadsheet is not the problem. The silence is.
A spreadsheet will happily tell you a deal works. It will not tell you that the insurance cell is empty, that the tax figure you pasted is the seller's homestead-capped bill rather than yours, or that you are comparing this month's rent against last year's expenses because you copied the wrong tab.
Every one of these is real. Each assertion in PropIntel's test suite exists because a wrong figure reached a document someone was about to show a client:
- A comparison that printed "996.1 years" as a time to break even.
- A rental that showed +$1,376 a month when the truth was −$678.
- A deal scored in the high eighties because the taxes and insurance fields were left blank.
None of them crashed anything. That is the point — a spreadsheet has no way to object. PropIntel caps the score when inputs are missing and states the omission in writing.
When you should keep the spreadsheet
If you run one deal a month, in a market whose tax rates you know by heart, with a model you built and trust — keep it. You will be faster in it than in anything else, and nothing here beats a tool you understand completely.
PropIntel earns its place when you are screening more deals than you can carefully re-check, when you are working in a county whose millage you do not have memorised, or when the output has to go in front of a client who will ask where the number came from.
Run one against your spreadsheet.
Take a deal you have already modelled and run it here. If the numbers agree, you have confirmation. If they do not, one of us is wrong and it is worth ten minutes to find out which.
Run your first report freeOr try the Sell or Rent calculator — free, no signup.