Stumbled on this demo while on a YouTube rabbit hole :)
https://m.youtube.com/watch?v=M_fqLR0dRTw
A relish brand guitar
This company made a removable magnetic back and interchangeable pickup's all in a aluminum body.
Really a simple idea that make's you think ... Why didn't I think of that !
Looking at their site the models they have goes from 4k to 7k sooooo a long way from my price range but still they are pretty cool xD