Since you've already invested in building the equipment and have some experience now, consider doing a few freebies for Calgunners to get some feedback, then maybe charge for the service for a moderate/reasonable fee.
Myself, I would not want to do this as a project, as I'd simply outsource the cutting of the foam over DIY.
Websites are cheap to develop and maintain. Stick with locals that aren't shipping anything to you.
I'd guess within 6 months you could have about 10 cases a week easy if you "spread the word" right.