One of the first steps to making money from your product/idea is to make sure it works, and you prove your idea works by creating a prototype. In the business world, it's called "proof of concept". A "proof of concept" prototype is different than a production model prototype. Proof of concept prototypes are usually simple and somewhat crude. It's important not to skip this step. Why? Because it will show you where you need to tweak your design and reveal aspects of your idea you might have not considered.
What do you want to build today...? Starting a new project, a building project to be precise, is exciting!
Starting a new project, a building project to be precise, is exciting! Figuring out your materials list, and using 10% of your budget for new toys (tools) is one of my favorite parts. Another is the smell of fresh cut lumber, and you know why, because there's something primal about building. Working with your hands to manifest something in the real world, from something you've only imagined in your mind. It's a guys way of giving birth, in a way.