Guide
BRRRR Calculator: How to Run the Refinance Math
The one formula that decides a BRRRR - cash left in after refi - worked end to end, plus the inputs most calculators quietly skip.
Guides
Underwriting guides, sourced and checked
Deal-analysis tool comparisons, financing mechanics, and underwriting math, written from primary sources and product pages rather than recycled marketing copy. Every claim about a competing product links to where it came from.
Comparison
Real Estate Underwriting Software vs. Excel
Where a spreadsheet still wins, where it breaks down, and a checklist for evaluating any underwriting tool including this one.
Comparison
Basis vs. DealCheck: Which Deal Analyzer Fits Your Workflow
DealCheck is the category's most established calculator. Here's a sourced, line-by-line look at pricing, strategy coverage, and where each tool is the better fit.
Comparison
Basis vs. BiggerPockets Calculators: Free Tools vs. a Paid Engine
BiggerPockets' calculators are free and everywhere. Here's what you get, what Pro membership actually costs, and when it's enough versus when it isn't.
Comparison
Basis vs. PropStream: Lead Lists vs. Scored Underwriting
PropStream is a list-and-outreach platform with calculators attached. Here's how its pricing and data stack up against Basis's scored, four-strategy analysis.
Comparison
Basis vs. Rehab Valuator: Underwriting a Deal vs. Running the Rehab
Rehab Valuator's budgets and lender-facing presentations versus Basis's automatic scoring and AI opinion - the closest direct comparison in strategy coverage.
Comparison
Basis vs. Mashvisor: Rental Analytics vs. Multi-Strategy Underwriting
Mashvisor goes deep on long-term and Airbnb rental data with no flip, wholesale, or BRRRR coverage. Here's where that trade-off matters.
Comparison
Basis vs. Stessa: Underwriting a Deal vs. Running the Books
Stessa is free landlord accounting for properties you already own, not a deal analyzer. Here's where the two actually meet - and where they don't.
Comparison
Basis vs. DealMachine: Driving for Dollars vs. a Pre-Scored Queue
DealMachine is built for street-level lead gen and mail campaigns. Here's how its pricing and workflow compare to Basis's pre-scored Deal Finder.
Comparison
Basis vs. Privy: Live MLS Comps vs. Multi-Strategy Scoring
Privy's MLS access is hard to match on data quality. Here's what its 1-state and national tiers actually buy versus Basis's scored, four-strategy analysis.
Comparison
Basis vs. Baselane: Underwriting a Deal vs. Banking It
Baselane's free landlord banking has no deal analysis at all. Here's why these aren't really competitors - and why you might end up using both.
Comparison
Basis vs. REIPro: An Outbound Wholesaling Toolbox vs. Scored Analysis
REIPro bundles leads, mail, contracts, and CRM into one priced tool. Here's how that compares to Basis's automatic scoring and AI opinion.
Comparison
Basis vs. NextProp AI: Creative Financing and a Sent Contract vs. Sourced, Scored Deals
NextProp AI is the closest thing to Basis in this series: address in, AI-graded verdict out, across 7 strategies including seller finance. Here's where each pulls ahead.