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DealCheck
Bootstrapped proptech · San Diego · est. 2015
👤 Anton Ivanov (Navy vet, software dev, and 40-unit landlord — he built for himself and was already trusted inside the niche he sold to.)🌐 siteLinkedIn

A developer who owned 40 rentals built the deal calculator he wished existed — then the RE community did the selling.

Will it work? · our read
Trust, not code. The math was always copyable. What DealCheck owns is a founder the niche already believed: 350K users, zero ad budget, 11 bootstrapped years. Belonging beat features.
01How the money moves
Investor finds DealCheck free via a podcast, forum or Google search
Runs deals free — hits limits on saved properties and advanced features
Upgrades to Plus ($120/yr) or Pro ($240/yr) subscription
02The numbers
about 350K
users worldwide (was about 100K)
dealcheck.io
$0
outside capital raised
Tracxn
2015
founded, San Diego, solo-led
Crunchbase
Revenue undisclosed; DealCheck has never published ARR. DealCheck — About
No public ARR — the figure shown is our estimate.
03Weight class — CENTStap an axis
ControlEntryNeedTimeScale
Control Mid
Independent and owns its audience — but leans on third-party comps data and the app stores.
04The key move
Credibility as moat
Anton didn't chase a market. A 40-unit investor and coder, he built the tool he needed, then handed it to the podcasts, forums and blog readers who already trusted him. No ad spend — all belonging.
our read
The counter-intuitive move
Belonging bought PMF, not a category win. Past the RE-investor niche, growth costs money like everyone else — and the calc itself stays easy to clone.
our read
05Where the moat is
Why a copycat calculator can't just walk in:
Founder is a real 40-unit investor10+ yrs of RE-niche SEO + free toolsWeb + iOS + Android, all syncedBuilt-in comps + valuation data
06How it diesmedium confidence
The version that dies: a feature-clone with no community — the math copies, the trust doesn't. The real threat: a funded rival bundling data + analysis + CRM to out-feature a solo calc. our read
Show evidence · counter
Evidence: Bootstrapped, $0 raised (Tracxn); users about 100K (earlier interview) to 350K+ (2026 site).
Counter: Eleven years in, unfunded, users roughly tripled (100K to 350K) — the community moat has outlasted every funded entrant so far.
07Against rivals
DealCheckFree / $14-29
BiggerPockets$39/mo
Mashvisor$49/mo
PropStream$99/mo
Incumbents sell $40-100/mo data subscriptions; DealCheck wins the investor who just wants to underwrite fast and cheap. our read
08Who uses it
Buy-and-hold landlordsHouse flippersBRRRR investorsWholesalersReal-estate agents
Would it work for you?
Are you already a trusted member of the community you'd sell to — or a stranger who'd have to buy attention?
Anton's edge was belonging, not code. What niche already trusts your name? We don't score you — you answer.
🚀Use it as a launchpada prompt for your own AI
Copy → paste into your AI → then develop it freely in the conversation.
You are a sharp, honest startup strategist. Use the proven case below as a launchpad for MY idea — help me find my own angle, not copy it. <my_profile> Domain I know: [your domain] My unfair advantage (access/audience): [your edge] Interests: [your interests] Resources & goal: [your resources] · [your goal] </my_profile> <case name="DealCheck" model="saas"> What it does: A cloud deal-analysis calculator that lets real-estate investors underwrite a rental, flip or BRRRR in under a minute, on any device. Why it won (moat): A founder who is himself a 40-unit investor, distributing free through the podcasts, forums and blog audience that already trust him. Weakest axis (CENTS): The calculation itself is easy to copy; free spreadsheets and BiggerPockets calculators are one click away. How it could die: A feature-clone with no community — or a funded rival bundling data + analysis + CRM to out-feature a solo calculator. </case> <task> Be a skeptical operator, not a cheerleader. No generic startup platitudes. If my angle is weak, say so plainly. First, a reality check: markets like this mostly fail. State the honest base rate (how crowded/hard is this?) and the ONE specific thing that would have to be true for ME to be the exception — grounded in my profile above. Then a compact table: - Fit — does this pattern suit my edge, or fight my gap? - Angle — my sharpest differentiation vs DealCheck (concrete, not "better UX") - Distribution — exactly where my first 100 users come from (this is the hardest part — be specific, not "content marketing") - Risk — its "how it dies" (above) in MY situation Finish with one line: "The single thing to do next." Use only the facts above; if data is thin, say so — never invent numbers. Then stay with me and go deeper on whatever I ask — tech stack, rough cost & time, the smallest MVP to test, pricing, or timing. </task>
✓ Copied — paste into your AI
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Sourcesupdated · daily
Revenue is EST, not disclosed. DealCheck has never published ARR; the "Est. $1-2M/yr" is our derivation from about 350K users x public $120-240/yr pricing at a conservative low-single-digit paid conversion — a guess, not a fact (not independently confirmed). Verified first-party: the 350K+ user count and 2015 San Diego founding (dealcheck.io), plus $0 outside funding (Tracxn). The "built it for himself as a 40-unit investor and developer" origin is from founder interviews (RETipster). The "credibility = distribution" reading is our interpretation, tagged as such. We never score you.