If the project has a long roadmap, until 2022 I think you can hold the coin, see how big the liquidity pool they are locking, do they lock it for 6 to 12 months? if so just wait and take profit when the price goes up, projects that have good community members will support the project and they don't just pursue profit, I learned from Dogecoin and Waves, even though for a long time these two coins were at the lowest price, but both can achieve new ATH because it has a strong community