make money

working for it is the best way and if you can buying a VIP will boost the income. Ofc you will need to make a really good base and best defenses aswell as be good at shooting people!

Get on when there is little to no people and just set up your printers

Use money printers, if they are. If there is a thief or a murderer - a robbery.

buy a gun, sit in a corner, buy a printer, guard, pray

Some economies are extremely OP. Some aren't. It really just depends. Different servers have different ways to earn money. Just try to find them.

It depends on the server ... does the server have a beginners guide? :D Look at there if so

Just know what to have for donations and money will follow.

Drugs are generally a good way to get a decent ammount of cash.