How about an underground cave
Oh WOW! What you can do with unlimited money!! That is astonishing.
Or you can do what a much wealthier guy is doing, and set up world-wide humanitarian schemes (Bill Gates Foundation).
That's not to say the garage owner doesn't do worthy stuff as well, just before I get jumped on...
![biggrin :grin](https://ozstoc.com/Smileys/default/biggrin.gif)