We cannot under estimate the cognitive aspect of cryptocurrency. There are different ways by which you can make your earnings through cryptocurrency. Lookout for the one of interest, learn it and do it well, like know not others. Some of the different aspects are as outlined:
1. Trading
2. ICO investment
3. Bounty
4. Airdrop
5. Mining
Although, there are other ways, but these five areas of specializations are very common.
You may try other aspects, but pick one and do it well like a professional.
Do not mind my grammatical errors please, i am only trying to help the newbies...
All of those 5 things you listed can be done at the same time, essentially making you a full-time cryptocurrecy specialist.
If i'm not mistaken, some people have already started doing this and even quit their regular jobs to pursue financial freedom through crypto. I would probably risk it and do the same if i didn't have a family counting on me.