Zener wrote:An old rule of thumb for retail pricing is 5x the parts. I don't know that I personally would ever buy any but I think people can use such a thing.
The only thing I ever thought about making and selling myself wasn't electronics, it was birdhouses.
I can make several neat styles, but when I looked into what they would reasonably sell for, vs. all the time and trouble it took me to make them, I decided I'd just keep on making them for myself. It just wasn't worth all the time and trouble. I hope your idea works out better.
What the heck, if you do make some, I'll send you $10 for one via PayPal. Let me know.