This may be the wrong place but Perifractic and the rest of the team will see it. I just watched David's Mini Pet video. Awesome as usual. He expressed concerns about people assembling a kit and it not working. I'm all in favor of selling the kits expressly WITHOUT a warranty. The person buying one should be capable of basic troubleshooting, just like David did. Maybe offer a warranty on the board BEFORE it gets soldered. Clearly if someone gets one with a scratch across a trace or merged traces, it could get replaced. That would just require an instruction to thoroughly inspect your board before starting assembly. Once assembly starts, its all theirs!
I get wanting it to be a complete computer but I also get that just drives the price, and development time. Like many. I'll buy one no matter what. But there is a certain satisfaction assembling the whole thing and then using it. Heathkit stuff was great! Another consideration, which I'm sure you did, would be to release the boards and a parts list so some 'Beta' work could be done. Just like that Mini Pet kit. Having a few dozen users build and bench test them breadboard style could yield some interesting stuff. Either way, I can't wait to see one sitting on my desk I