Money.

I think you should just buy $75 theremin kits and assemble them, then sell them for $150 on eBay. -- grant b.

Not a bad idea. But I had this dream about selling vandalized zombie dolls imbued with dangerous and unpleasant magick on e-bay, so I might do that instead. I don't know how to sell things on e-bay though. I shall have to find out more.