you can kidnap very rich dad's kid and ask him a lot of money.

Kill a billionaire and steal his billions 😂🤷‍♂

Run some kind of pyramid scheme its gona take some budget and mind to start it but it will get you there especially if u use the money u got to partner with corrupt govt officials and take big govt contracts under some construction or importing license but like i said it gona need some chess mastermind skill

Drug dealer, human trafficking, body selling, assassin agent...nef alu but it needs connection and how evil you can go😁

kidnap many people and then sell their expensive organs in black market. for kidney alone, you can make upto 5 million from 10 people.

Marry a Billionaire's daughter, get their trust, become the father's close advocate, make him sign his wealth to you and then drug the old man 😭 This is btw a 30 year master plan at best 😂