V vlad's labs
2026 · bootstrap portfolio

Ten SaaS demand-tests. Fourteen days. One winner picked on May 18.

Each idea below has a real landing, working interactive tool, and live Stripe checkout. The product that earns the most paid commitment by 2026-05-18 graduates to a build week. The other nine get archived — by design.

live · day 6 of 14 · 10 landings shipped · 18 stripe SKUs · github.com/belkins
built solo · claude code + stripe mcp · zero outside funding

Experiments

10 ideas · day-14 decision 2026-05-18
07 / invoicegpttesting

InvoiceGPT

Voice-cloned overdue-invoice nudges for freelancers. Trained on 5 of your real emails — drafts Day +7 / +14 / +30 in your tone, lands in Gmail Drafts for one-click send.

01 / grantradartesting

GrantRadar.eu

EU grant discovery matched against your CV — Horizon, EIC, ERC, MSCA, BMBF, NCN. Weekly digest of ≥80% fit alerts so you stop missing deadlines you didn't know existed.

02 / stackswaptesting

StackSwap

Cross-cloud cost arbitrage for AWS / GCP / Azure. Surfaces the top 10 SKUs you could move to Hetzner / Cloudflare / DO with one click. Free first audit.

03 / patentclaimstesting

PatentClaims

Patent claim diffing + prior-art surfacing built on the USPTO ODP corpus. For solo inventors and early-stage startups who can't afford $400/hr counsel for every filing.

04 / reglawfeedtesting

RegLawFeed

Daily regulatory diffs across FAA UASFM, CFPB, EU GDPR DPA, FDA Devices, FTC. Severity-gated Slack digest — only the things that change what you can ship.

05 / podcastpitchtesting

PodcastPitch

Targeted podcast pitches scored against host history. 30 matches/mo, custom opener per match grounded in real episode quotes — written to actually get a yes.

06 / backlinkbaittesting

BacklinkBait

Linkable-asset discovery for SEO teams. 50 fresh prospects/week across 4 source feeds, with a pre-written opener per prospect. Built for niches HARO ignores.

08 / meetingdrifttesting

MeetingDrift

Detects when recurring meetings have lost their purpose. Chrome extension scores every event on your calendar and sends a Friday Slack digest of "kill these".

09 / receiptradartesting

ReceiptRadar

Receipt capture + expense categorization for SMBs and bookkeepers. Email receipts to one address, PaddleOCR'd, categorized straight into QuickBooks.

10 / folderly-solotesting

Folderly Solo

Folderly's enterprise deliverability stack repackaged for solo founders and indie consultants. 1 mailbox monitored, weekly health report, spam-trap + reputation alerts.

Where else I work

ventures · writing · ops
belkins.ioventure

Belkins

Co-founder & CEO. B2B outbound lead-generation agency. 9 years, 1000+ clients, the work that bought me the right to ship these experiments on my own dime.

folderly.comventure

Folderly

Co-founder. Email deliverability SaaS — fixes inbox placement so your outbound actually reaches replies. Trusted by 1000+ B2B teams. Folderly Solo (above) is the indie SKU.

vladyslavpodoliako.compersonal

Vlad Podoliako

My personal site — bio, writing, talks, things I've shipped. Start here if you want the long-form version of who's behind the experiments.

vladsnewsletter.comwriting

Vlad's Newsletter

Weekly: what I'm building, what I killed, what I learned. AI products, bootstrap economics, the unglamorous parts of running ventures while shipping side bets.