If we all notice something, from the three methods listed by the poster, I think one thing is common amongst them which happens to be investment, you get to invest some money to make good money from this ways mentioned. Let’s talk about the first one, Dropshipping; it is just similar to affiliate marketing, most of the standard companies will need you to put in some money to be able to sell for them, most especially the big ones. Digital coin investment; for example, Bitcoin because it happens to be the most popular e-currency around the world today. Then we go to the third one. Affiliate marketing; well this can be done free in some places but if you still want to earn big in this job you will have to be an investor as well just like the rest.