I set up https://sketchpads.co https://sketchpads.co as a simple shopify site and I've been selling mobile and browser sketchpads to rapidly iterate on your wir

I set up https://sketchpads.co https://sketchpads.co as a simple shopify site and I've been selling mobile and browser sketchpads to rapidly iterate on your wireframe designs. I did some initial marketing and it's been bringing in steady income of about $200 every month. I've sold out of inventory multiple times and keep ordering bigger and bigger batches of sketchpads each time.