Why My First WhatsApp Business Auto‑Responder Crashed a Dhaka Grocery – The 7‑Step Fix I Built with Python
AI-generated illustration 🚌 Try it yourself — Bus Fare Calculator BD This case study is based on a real, live product. Check it out below. Get Bus Fare Calculator BD → Real‑World Hook It was 9 am on a rainy Tuesday. My client, a family‑run grocery on Mirpur‑10, opened WhatsApp Business and started getting 120 messages per hour. Every single query bounced back with "We are currently unavailable". Their sales dropped 30 % in two days. I was on a Fiverr call, coffee cooling, and the client’s inbox was exploding. The Hidden Problem Most Bangladeshi SMEs think a “quick reply” setting in the app is enough. They ignore three brutal facts: Network jitter on 3G/4G means latency spikes above 5 seconds. WhatsApp Business API costs per message, so a blind auto‑reply can burn BDT 5,000 in a day. Message context is lost – a “thanks” to a price inquiry looks like spam. I learned that the real issue is missing a lightweight, stateful responder that respects rate limits and understands conv...