Don't forget to reserve a bit to fund all the bribes, lobbying and legal representation that protecting your housing development will require. 300b is a tasty target.
There's an algorithm that can build a 3d model from multiple 2d images.
Everybody wants a statue of their cat or head.
I guess I'm assuming the world of computers and computery stuff here. I really don't want to obsess over a painting or whatever. So less art and more craft I guess.
I'm gonna sell bespoke gender surgery. Every person a gender of 1, with exquisite Custom-Made genitalia incompatible with literally anything. You'd like it.
UV kills the germs. They should install lamps. Added bonus everybody gets tan hands.