I Built a Bilingual Profit Tracker for My Father's Cyber Café — Here's the Stack and a Few Decisions Behind It

Short summary

A developer built Khata, a bilingual profit tracker for small Indian cyber cafés and service shops, addressing the critical gap between cash collected and actual profit per transaction. The technical stack spans React + Node.js + Postgres, with key decisions like database-computed profit columns and smart quantity multipliers to reduce user friction. The live product demonstrates founder mindset and localization-first design principles for underserved regional markets.

• •Full-stack case study of building a small business SaaS for Indian cyber cafés addressing profit tracking
• •Key technical decisions: computed profit columns in database, quantity multipliers for bulk transactions, i18n from day one
• •Live product on Vercel; exemplifies founder-led problem-solving and design for underserved regional markets

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