Build a Gumroad Lead Machine in Google Sheets (Ping Webhook + License API + AI Upsell)
A traditional B2B funnel asks a stranger to fill a form, wait for a sales rep, and sit through a call — and it typically converts around 0.1–0.5%. I s…
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Extracting Invoices From WhatsApp Photos With AI Vision (Apps Script + Google Sheets)
Every logistics and field-sales team runs the same expensive process: a driver photographs a receipt into a WhatsApp group, and a back-office clerk ma…
Extracting Invoices From WhatsApp Photos With AI Vision (Apps Script + Google Sheets)
Every logistics and field-sales team runs the same expensive process: a driver photographs a receipt into a WhatsApp group, and a back-office clerk ma…
Turning WhatsApp Into a Mobile ERP for Field Logistics (Apps Script + Google Sheets)
Field-service software has an adoption problem: drivers won't use it. Heavy app, another login, crashes in low-signal areas. So the "real-time" data s…
SMS Pumping Is Draining Your 2FA Budget — and Mobile-Originated iMessage 2FA Fixes It
If you send SMS one-time codes, there's a decent chance you're paying scammers to phone-spam themselves on your dime. It even has a name: SMS pumping …
Import JSON from an API in Google Sheets
Originally written for bulldo.gs — republished here with the canonical link pointing home. I want to pull live JSON data from an API endpoint directly…
Remove duplicate rows in Google Sheets
Originally written for bulldo.gs — republished here with the canonical link pointing home. I have a Google Sheet with duplicate rows and I want to rem…
How to add a contact form to your static site — no backend, no monthly fee
I got tired of paying for form services or spinning up a backend just to handle contact form submissions. So I built RG Forms — a contact form endpoin…
Preventing Stockout Crises: Building Automated Inventory Alerts in Google Sheets
The "Out of Stock" badge is arguably the most damaging message you can display to a high-intent shopper. In digital commerce, when a customer cannot p…
How to get live 3D print pricing in Google Sheets with one formula
If you sell 3D printed items on Etsy (or anywhere else), you've probably done the maths in your head or in a scrappy spreadsheet. Filament cost, elect…
Ditch Looker/Tableau: Build a Live Executive BI Dashboard in Google Sheets
When an organization scales, leadership naturally looks for Business Intelligence (BI) solutions to visualize performance. The corporate instinct is a…
Google Sheets CRM: 4 Ways I've Actually Done It (with Apps Script Code)
Every SMB I've worked with treats a Google Sheet as their first real database — leads, deals, inventory, campaign tracking. Then they buy a CRM and as…
Why Your Frontend Should Not Call Google Sheets Directly
Google Sheets is great when a product is still changing. It is fast. It is familiar. Non-technical people can edit it. You do not need to design a ful…