How to make 1M easily?

Make $1. Then you'll just need to make $999,999. To make $999,999, make $1 and then make $999,998. And so on.

Drugs

Start with $1k. Double it ten times somehow.

Get a red paperclip. Trade it for something worth a little more. Keep trading up until you have 1M. https://en.wikipedia.org/wiki/One_red_paperclip