Considering the date, the topstarter has already learned from his own experience how best to deal with money) But the topic is always relevant and after a long period of time, I don’t always know what to do better. It happened several times that I left the asset several days before significant growth. This is very unpleasant) So if you choose a coin for work, stay on it and do not jump on other assets for the sake of short-term profits, you can miss the most interesting.

BTC or ETH, if you are looking for at least some kind of stability (how stable a crypt can be), altcoins are at your discretion - high profit in a short time, but also a huge risk.