What's wrong with superchargers?
#217
You could use $1,000,000 dollars to just adopt cats. At $50 a cat from a shelter you would get 20,000 cats. This leaves you with $42,000,000 or $2,100/cat for all of your other expenses. You could also always just spend all $43,000,000 and adopt 860,000 cats and then release them upon a city.