[kriro]

That's a great motivation. I just want to caution against underestimating some costs (shipping, returns) and leaving yourself a good margin of error. If your goal is to supply as cheaply as possible, you can always lower the price later. Extra profits can always go into improvement :)

[nsteel]

And once you start taking money from people you'll have to deliver, it can alter how it feels when working on the project. It can feel a lot less fun, it needs to be worth your time.