Yes it is good if you don't have a job before joining crypto world but I will like to seek ideas from those that have reasonable jobs and I really want to know if you truly believe in Crypto so as to give away your job and fully dedicate full time to crypto or its not worth leaving everything because I see it as a long journey which I need to learn everyday.
I think it will be better to invest on high ranked coins of coin market cap site for long term, else maybe you will damaged. so it will be better to invest on coins with huge amount of cap. BTC, ETH, NEO,ADA are good for long term.