1. Trading
2. ICO investment
3. Bounty
Crypto is a broad and highly areas produce. from some of the things that to me three things this is very beneficial in crypto. a third might say this is interconnected.
It will just a matter of time we will all found out areas wherein we excel better in making money, some were too good in bounties and other just depend only in trading. Find yours that you think you'll find comfortable and you see how it'll make you rich.