Most developers pay $50-200/month for various SaaS tools: API testing, webhook debugging, text processing, web scraping. But you can self-host all of these on a single cheap VPS. Here's what I run on one $6/month VPS with ~200MB total RAM: 1. Developer Utility API (18 free endpoints) UUID generation, password generation, hashing, base64 encode/decode, JWT decode, timestamps, IP info, and more. All accessible via curl with zero authentication: curl http://69.62.106.38:3100/uuid curl http://69.62.106.38:3100…