there really is no easy way to make that much money
and no fast way either, unless you found out you inherited lots of money or a bank accidently gave you too much through error
as for the best way
in my opinion its having a talent and persuing it
to the point where after los of hard work you get recognised and start making enough money
either that or spend a few years selling houses and getting into realestate
You're over 18?
I suggest you try to get on a game show where you win money.
Or do it the way most people do.
GET A JOB.