HKHayrullah Karinmagesheet-team.hashnode.dev·6d ago · 7 min readBuild a WhatsApp Storefront in Google Sheets: OpenAI Function-Calling Tools (No Website)A café owner asked me for an online store. She didn't want Shopify, a domain, a theme, or a $90/month bill — she wanted customers to message her on WhatsApp, ask what's available, and place an order. 00
HKHayrullah Karinmagesheet-team.hashnode.dev·Jul 17 · 5 min readBuild a Real-Time Inventory Dashboard in Google Sheets: Reorder Points & Low-Stock AlertsA marketing campaign works, 150 units sell in a day — and 40 were in stock. Now you have 110 angry customers, refunds, and a marketplace penalty for overselling. The campaign that was supposed to make00
HKHayrullah Karinmagesheet-team.hashnode.dev·Jul 16 · 6 min readWhatsApp Automation for Small Businesses in 2026: AI Replies, Lead Capture & Tiered CommissionsYour customers would rather message you on WhatsApp than fill in a contact form. That's fine at ten conversations a day. At a hundred, messages get missed, nobody knows which rep is on which deal, and00
HKHayrullah Karinmagesheet-team.hashnode.dev·Jul 14 · 7 min readBuild a WhatsApp Sales Inbox in Google Sheets: Webhook, AI Lead Scoring & Rep LockingLast month a client's two sales reps both spent an hour chasing the same WhatsApp lead. Neither closed it — the customer felt double-teamed and went quiet. Their "system" was one shared WhatsApp login00
HKHayrullah Karinmagesheet-team.hashnode.dev·Jul 13 · 3 min readHow to Replace Expensive SaaS With Google Workspace (And Save $1,000+/Month)Most growing companies are quietly bleeding $1,000–$5,000 every month on software they barely use. It's subscription bloat: a CRM here, an automation tool there, a scheduling app, a billing platform —00