Short, practical pieces on how real-estate deals are actually evaluated — ARV, the 70% rule, cap rate, DSCR, capital recovery — with worked examples you can re-run in our free calculators.
REIzer AI now saves every reply on the server as it is written. Switch apps on your phone, lose signal, or close the browser, and the underwrite you asked for finishes without you and waits in the thread.
Read the announcementLaunches, new features and what changed in REIzer AI.
The chat surface was rebuilt around a single composer card. Answers read as plain text on the page, tool steps are one-line status rows, and the brand green is now an accent instead of a fill.
Read the postThe assistant has a new name, a new front door on the home page, and a switcher for how much reasoning you want. Paste a listing on the landing page and the request follows you through sign-up into the chat.
Read the postBRRRR, rental property, the 70% rule and cap rate — four single-page calculators that run the same math as the full analyzers, in the browser, with no signup.
Read the postThe same engine that powers the analyzers is now a free REST API and a remote MCP server. Analyze a deal, rank strategies or solve a max offer from code, Claude, Cursor or any AI agent.
Read the postREIzer is out of the waitlist. Paste a listing, get an underwrite — short-term rental, BRRRR, fix-n-flip, new construction, long-term rental and multifamily — with a free plan and no card required.
Read the postHow the numbers work, with examples you can re-run.
The last R in BRRRR only happens if the refinance gives your cash back. Here is how capital recovery is calculated, a full example at three refinance levels, and the trade-off nobody mentions.
Read the postA 6.3% cap rate and a 1.8% cash-on-cash return can describe the same property. Neither is wrong. Here is what each one measures, a full worked example, and the number that ties them together.
Read the postFlippers cap their offer at 70% of ARV minus rehab. The rule is useful as a screen and dangerous as an underwrite. Here is the arithmetic behind the 30%, and what it ignores.
Read the postAfter-repair value drives the 70% rule, the BRRRR refinance and every flip profit number. Here is how to build one from sold comps, and the three mistakes that quietly inflate it.
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The examples in these posts are not head-math — they are what REIzer's analyzer returns. Run your own deal, free, no signup.