Launching a coin on pump.fun

I launched a coin on pump.fun no one aped in .except me

Do you need to own 4 wallets and do small bids to get people aping in. 2 Do u need to buy volume traffic also 3, Do you need to also pay for dexscreener adds 4. Someone told me you need to also buy what’s called (bumps) not sure what these are

5, how much total sol do you need to invest to launch a successful coin to like a mill.

Of experienced coin launchers can verify these 5 issues and explain in detail would be appreciated