It is likely that in 2022 there will be an opportunity to buy BTC and ETH at a good low price, but you need to guess when the final fall of the crypto market will be. As you have already noticed, the market has recently experienced a good fall and it is likely that those who managed to buy BTC and ETH at a lower price and now make money on it. What is still swinging such falls, that is, there is a high probability that they will be in 2022 and more than once. Perhaps it is at these moments that you will need to buy BTC and ETH. As for triggers for such falls, they can be the same negative news about cryptocurrency.