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Built on rented land
Their business lives inside somebody else's platform. Some got rich. Some got de-listed overnight.
38 teardowns · $1M–$10MEvery teardownFortressesEasy to copy. Won anyway.Built on rented landNumbers straight from a filingDoesn't scale. On purpose.Still here after 15 yearsOne-time money
Peec AI
SaaS
$8.6M ARR in 14 months, priced under a $1B rival
$8.6M ARR
Stated · ARR, 14 months from launch
A category that may not outlast the hype
★ The edge: A focused product at $95-495/mo wins the mid-market that enterprise rivals price out — 300+ new customers a month.
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smallcase
Marketplace
Stock baskets that trade as one, via your broker.
₹67cr
Stated · $8M · FY24 rev from ops
85.8% of revenue is a toll brokers can cut.
★ The edge: smallcase never became a broker. It's a neutral rail on top of every major Indian broker, tolling each basket trade.
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Submagic
SaaS
Turned its own users into a daily TikTok ad army.
$8M ARR
Estimate · run-rate, bootstrapped 2025
AI clipping is commoditizing toward free.
★ The edge: A creator-founder paid users 30% lifetime to post daily TikToks made in the tool - the product makes its own ads.
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BlueNotary
Marketplace
Notarize documents online — matched to a live notary.
$7.5M
Estimate · ARR (2024 est., no VC)
⚠ Control low
commodity RON, price war
commodity RON, price war
★ The edge: Laws legalized online notarization in 45 states — BlueNotary bootstrapped in as the VC leader cut staff.
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iDenfy
SaaS
Identity checks you pay for only when they pass.
€5.25M
Filed · FY2025 · LT filing (-13%)
Thin layer on a mandate; low pricing power.
★ The edge: Only KYC vendor that bills per approved check, not per attempt — cuts onboarding cost up to 70%.
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Woodpecker.co
SaaS
The email hack they built for themselves went public.
$5.5M
Stated · 2024 revenue, official
A Gmail policy change can gut deliverability.
★ The edge: Sends cold email one-by-one from your own inbox with human-like pacing, so messages land in the inbox, not spam.
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SelectSoftware Reviews
Ad
HR-tech reviews. Vendors pay per high-intent lead.
$5.3M
Estimate · est. revenue (Latka, 2024)
Traffic lives and dies by Google's algorithm.
★ The edge: Ex-Bessemer VC who'd already built an HR SaaS. He knew the vendors and exactly what buyers were Googling.
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CinchShare
SaaS
A stay-at-home mom's scheduler for direct sellers.
$5M+ ARR
Stated · founder-stated, Jan 2020
One niche, and Facebook controls the API.
★ The edge: Hootsuite serves every marketer. CinchShare serves one: a direct seller posting to Facebook groups all day.
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EverBee
Data
Estimates what any Etsy listing earns — live.
$5M
Stated · ARR (founder-stated)
Estimates only — Etsy hides real sales.
★ The edge: A free Chrome overlay that lives on Etsy and reveals the one number Etsy hides: estimated sales per listing.
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I
InsuredMine
SaaS
The CRM layer agents add to their agency system.
$5M
Stated · ARR, founder-stated
Sits atop an AMS it doesn't own.
★ The edge: Bootstrapped on $40K. An India dev team owns all the code and ships 600-700 features a year legacy rivals can't match.
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smrtPhone
SaaS
Built for one CRM's users, not for everyone
Nearly $5M ARR
Stated · ARR stated on podcast, 2023
Customer count looks flat since 2023
★ The edge: Rivals bill per seat. smrtPhone bills per account: $62/mo covers 10 users, $104/mo unlimited.
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TaskMagic
SaaS
Made a no-code tool buyable, then took a 7-figure exit.
$4M
Stated · total revenue, exited
Thin moat; grew on one-time lifetime deals
★ The edge: No-code automation for non-coders; recorded tasks become workflows. Sold on Acquire.com for mid-seven figures.
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Wall Street Oasis
Community
Free finance forum that sells interview courses.
$300K/mo
Stated · founder-stated · 2020
⚠ Control low
rides on Google traffic
rides on Google traffic
★ The edge: A forum earns pennies on ads; he stacked a niche ad network + paid courses on the same audience.
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HostiFi
SaaS
He charges MSPs to run software Ubiquiti gives away
$3.5M ARR
Estimate · ARR, founder blog 2025
The vendor now hosts it from $29/mo
★ The edge: Ubiquiti gives the controller software away free. HostiFi sells the part MSPs hate: servers, updates, backups, 2am.
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EmailOctopus
SaaS
The Ryanair of email marketing
$3M+
Stated · ARR · founder-stated 2023
Anyone can wrap SES; price is the only moat
★ The edge: A simple UI on Amazon SES: send a million emails for under $100, undercutting Mailchimp with no mail servers to run.
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Left Main REI
SaaS
Salesforce quoted $100K. She learned to code instead.
Nearly $3 million ARR
Stated · Dec 2023, no funding taken
On Salesforce, so Salesforce sets the rules.
★ The edge: A nurse practitioner who flipped houses built the CRM on Salesforce herself, then sold it to investors like her.
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SerpApi
Dev
The SERP API that quietly became AI's search backend.
$3M/yr
Estimate · Est. ARR (third-party)
⚠ Control low
rents its data
rents its data
★ The edge: A boring 2017 SERP-scraper is now the live-search feed for AI labs — pickaxes sold into the gold rush.
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Social Snowball
SaaS
Turn a brand's own customers into paid affiliates.
$3M FY24, +200%
Filed · FY24, in acquirer's filing
Rides Shopify; platform sets the rules.
★ The edge: One-click turns any buyer into an affiliate; deep Shopify hooks make rivals feel bolted-on.
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Vacation Tracker
SaaS
PTO tracking built inside Slack, not bolted on.
$3M
Stated · ARR, founder-stated
Thin, cheap feature an HRIS can bundle free.
★ The edge: Built Slack-first: request and approve leave without leaving the chat app teams live in all day.
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eRank
SaaS
SEO keyword data for sellers Etsy keeps blind.
$2.6M
Estimate · est. ARR, self-funded
Control low
on Etsy's rented land
on Etsy's rented land
★ The edge: A free keyword tier gave data-starved Etsy sellers what Etsy hid, then upsold a slice at $6-30/mo.
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CrazyLister
SaaS
Top eBay sellers sold their listing craft as software.
$2M/yr
Estimate · peak rev; eBay market fell
Rises and falls with eBay's seller base.
★ The edge: They were award-winning eBay sellers before they were founders, so the templates carry real selling know-how.
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Product Fruits
SaaS
A game designer's onboarding psychology, sold as SaaS.
Past $2M ARR
Stated · founder-stated, 2026
Crowded category, low switching costs.
★ The edge: One affordable, all-in-one adoption suite from $96/mo, aimed at the SMBs that WalkMe and Pendo price out.
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Publer
SaaS
Bootstrapped scheduler that nearly folded twice
$2M ARR
Stated · 2024 sales, bootstrapped
Thin moat; scheduling is a crowded commodity.
★ The edge: Built-in distribution: one of two Facebook apps he already owned was profitable, probably seeding Publer's first users.
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Sudowrite
SaaS
The AI writing partner built only for fiction.
$1.8M
Estimate · ARR est.; profitable
Its core AI is rented from frontier labs.
★ The edge: The one creative niche most AI tools anger — fiction writers — served by founders who are published novelists.
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Songstats
Data
An artist's numbers from 14 platforms, one dashboard
$145K/mo
Stated · self-reported MRR
Every number is borrowed from platform APIs.
★ The edge: It combines 14 music services into one view; most rivals track fewer or gate breadth behind higher tiers.
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Seats.aero
Data
The award-flight search engine airlines sued.
$1.5M ARR
Stated · end 2023 · founder
Airlines can block or sue the data feed.
★ The edge: A lone security researcher scrapes the award data airlines hide, and rents it back at $9.99/mo.
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SparkToro
Data
The moat was the founder's audience, not the code.
$1.5M
Stated · ARR · yr-2 (2022)
⚠ Scale capped
niche market by design
niche market by design
★ The edge: The founder arrived with a ready-made marketing audience, so 200 people sign up free every day - zero ad spend.
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Zigpoll
SaaS
Analytics show the what; Zigpoll asks buyers the why.
$125K MRR
Stated · run rate about $1.5M ARR
One platform: most signups come via Shopify.
★ The edge: One-click Shopify install puts the survey inside checkout; a third of signups arrive free from the app store.
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Vendoo
SaaS
One upload. Ten marketplaces. Zero retyping.
$1.4M
Stated · 2020 revenue (reported)
Rides on marketplaces that can ban it.
★ The edge: Founder resold since 2007, built the cross-poster he needed, then grew via reseller YouTubers with the same pain.
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CloudSpot
SaaS
Photo-delivery galleries pros sell prints through
$1.2M/yr
Estimate · 2024 revenue, est.
Commoditized galleries; free rivals abound
★ The edge: Founder shot weddings for a decade - the product speaks fluent photographer, and the community already trusts him.
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Tweet Hunter
SaaS
Twitter growth tool, sold to its power user.
$100K MRR
Stated · at 2022 lempire sale
100% dependent on Twitter/LinkedIn APIs.
★ The edge: Built in public on X to 115K followers, so the audience that grew the product also included the buyer who used it daily.
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Zen Arbitrage
SaaS
He built the audience, then sold them the tool.
$90K/mo
Stated · MRR at 2022 exit
Rides Amazon's price gap; guru-led.
★ The edge: Built the buyers before the product: years of book-arbitrage courses meant the $97/mo tool launched to a waiting list.
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Leadmore AI
SaaS
Reddit leads, minus the account bans.
$1M ARR
Stated · run-rate (self-stated)
Reddit can ban the managed pool at once
★ The edge: Rivals reply from your account. Leadmore posts from its own aged pool — a ban hits Leadmore, not you.
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Lemon Squeezy
SaaS
The merchant of record that files sales tax for sellers.
$1M ARR
Stated · 9 months after 2021 launch
Thin layer on Stripe · no owned rails
★ The edge: not a payments tool but a liability shield — it files every country's sales tax for you.
Open →
Pckgr
SaaS
The most boring SaaS on the internet, at $1M ARR.
Over $1M ARR
Stated · ARR, bootstrapped
Microsoft could fold it into Intune.
★ The edge: Enterprise Intune tools priced out small shops. Pckgr sells the same packaging automation from $49/mo.
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SocialBee
SaaS
The social tool sold by hand before it was built
$1M+ ARR
Stated · founder-stated (2023)
Crowded niche — incumbents copy every feature
★ The edge: Files posts into categories that auto-recycle, so a tiny evergreen library fills the calendar for months.
Open →
Yardbook
SaaS
Free software for 20,000 lawn crews. 7-person team.
$1M
Estimate · 2024 ARR - Latka estimate
Free model caps revenue: about $1M in 8 yrs.
★ The edge: Hands lawn crews a full ops suite free, then earns on payment fees, a paid tier, and sponsored listings.
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ImportYeti
Data
Find any company's overseas suppliers — free.
2M+ users
Stated · free + paid
⚠ Control low
$0 raised · about $1M est
$0 raised · about $1M est
★ The edge: the data was free all along — he made it usable where rivals charged $125–899/mo.
Open →