Stack Cost AI

Marketplacehobby stack.

For each requirement below, pick the option that fits your build — recommended first, then free and cheaper alternatives — or skip what your project doesn't need. Tap the info icon next to any requirement to see why it matters.

Domain and DNS

Pricing & free-tier limitsCloudflare Free: $0 - 1 domain unlimited DNS, DDoS, 3 page rules / Namecheap BasicDNS $0 with domain, domain $13/yr .com / Cloudflare Free Tier $0 / Route53 $0.50/hosted zone/mo + $0.40/M queries, domain $13/yr / Pro $20/mo 20 domains WAF, analytics

SSL/TLS

Pricing & free-tier limitsLet's Encrypt Free: $0 - 90-day certs unlimited, auto-renew via Vercel/Netlify / Cloudflare Universal SSL $0 included / Let's Encrypt Free $0 / DigiCert Standard $218/yr OV, wildcard $600/yr, $0 after issuance

Web Hosting / Backend Hosting

Pricing & free-tier limitsVercel Hobby $0 - 100GB bw, 6000 exec hrs, 100GB-hrs Edge, 100 deployments/day / Netlify Free 100GB bw 300 build mins / Fly.io Free 3 shared VMs 160GB egress $0 / Pro $20/seat/mo + $40/100GB over bw + $0.18/build hr

Cloud Platform

Pricing & free-tier limitsVercel+Supabase Free $0 - all-in-one 100GB bw, 500MB DB, 1GB storage, 50k MAU / Netlify+Supabase Free same / Railway Free 500 hrs $0 / Amplify $0.15/build hr + $0.023/GB-mo hosting $0 min

Database (multi-vendor: buyers/sellers)

Pricing & free-tier limitsSupabase Free: 500MB DB, 50k MAU, 1GB storage, 2GB egress, 2 proj / Neon Free 0.5GB, 100 hrs compute, 10 branches / Pro $25/mo 8GB DB 100k MAU $0.00325/MAU over $0.09/GB egress over / RDS t3.micro $0.017/hr ~$12.5/mo + $0.115/GB-mo 20GB $2.3/mo

File and Object Storage / Image and Media Storage

Pricing & free-tier limitsSupabase Storage Free 1GB, 2GB egress, 200MB/file seller images / Cloudinary Free 25GB bw, 25k trans, 25GB storage / B2 Free 10GB $0.005/GB-mo after $0.01/GB egress / S3 $0.023/GB-mo + $0.09/GB egress $0.005/1k PUT / R2 Free 10GB $0.015/GB after zero egress

Authentication and Identity (buyer/seller roles)

Pricing & free-tier limitsSupabase Auth Free incl 50k MAU / Clerk Free 10k MAU $0 - social, email/password buyer/seller roles / Clerk Free 10k / Auth0 Free 7.5k MAU $0.07/MAU after, 2 social / Pro $25/mo + $0.02/MAU over 10k, 50k MAU ~$825/mo

Split Payout / Marketplace Payments API (Stripe Connect test)

Pricing & free-tier limitsStripe Connect Test: $0 - no fees test payouts $0 simulated 2.9%+30c / Test (no fees) $0 / PayPal Sandbox $0 / Live test phase 2.9%+30c +0.25% Connect +$2/acct/mo Express $0.25/payout, 500 acct free test

Transactional Email API / Email Delivery

Pricing & free-tier limitsResend Free 3k/mo 100/day $0 / SendGrid Free 100/day ~3k/mo $0 / Mailgun Free 100/day 3mo trial $0 / Pro $20/mo 50k $0.0004/email over 100k=$40/mo + egress free

Source-code Repository

Pricing & free-tier limitsGitHub Free $0 unlimited public/private 500MB storage 2000 Actions mins / Free same / GitLab Free $0 5GB / Team $4/user/mo 2GB LFS protected branches CODEOWNERS 3k mins

CI/CD and Deployment Automation

Pricing & free-tier limitsVercel Auto-Deploy $0 6000 exec hrs free auto-preview / GitHub Actions Free 2000 mins/mo $0.008/min Linux over $0.016 Win $0.08 macOS / Netlify Auto free 300 mins / Pro Pipelines $20/seat/mo +$0.18/build hr over

Options and prices come straight from our research sheets for a hobby marketplace project. Prices are estimates and change often — always confirm on the provider's page before committing.

How this hobby marketplace checklist works.

Each requirement below is something a hobby marketplace build typically needs. Pick one of the four researched options — recommended, free, cheaper or paid — add your own with "Other", or skip the requirement if your project doesn't need it. Nothing is mandatory; the plan on the right tracks what you've decided so nothing gets forgotten.

Your picks are saved in this browser automatically, so you can come back anytime. Options are researched per build level and refreshed as vendors change their plans — always verify details on the provider's page before committing.