Save up $1,000,000. Then it will allow you to put the nuclear missile in your hot-bar without having to buy it. Purchase "M. Creator" upgrade and get millions of dollars worth of missiles for free! :D
using the auto gold/second stat at the bottom will tell you what the most efficient way to idly gain gold is. The higher the number, the more money you would get from that ore when idle.
SWEET, 1 million dollars, I can finally afford the super upgrade! What does it even d-wait what? I thought it cost 1 million dollars. Oh well, I'll just do one more run and then I'll have enough money.*after* Now I can affo-...SHIT!