You can generally also deduct charity payments to your own "land conservation" charity, which can then go ahead and buy 50 acres of land around your recently bu

You can generally also deduct charity payments to your own "land conservation" charity, which can then go ahead and buy 50 acres of land around your recently built mansion. Pretty sure you wouldn't consider that one one that makes sense. Plenty of deductions exist for a reason, and generating profits isn't always one of them.