Build and sell hyper-specific digital templates, checklists, planners, or prompt packs on Etsy or Gumroad in validated niches (e.g. 'productivity for night-shift nurses'). Use AI tools to draft products in a weekend, price in the $9–47 impulse-buy range, and target niches with confirmed search volume and existing competitor reviews. The post explicitly describes this as a viable weekend-build business model with a clear validation framework to de-risk each product.