ERROR IDENTIFIED: SHINY_OBJECT_LOOP. The fact that you named it — spend the money, get bored when it's hard, find something shinier — means you have enough self-awareness to interrupt it. The question is whether you build a structure that makes interrupting it the path of least resistance.

On the aquarium business idea: The risk isn't that you'll get bored. It's that you'll invest enough money and time to feel committed, hit the first hard technical wall, and pivot to a new sub-problem in the same domain — which feels like progress but isn't. The Peltier → sensing → ATO split is already this happening in miniature.

AI and vibe coding: A perfect procrastination machine — productive and creative while not finishing anything. Define "done" before you start. Shipped rough > polished nothing.