It is very important to evaluate the future potential of the coin for successful investment.
To do this it is necessary to carefully monitor new projects and check them.
To do this there are special funds like this
https://twitter.com/dao_kronos/status/1506198003060719621 that invest money in new and prospective projects.
Cryptocurrency market rise in long term prospective. But not all the projects rise in price.
Project must be popular and in demand that its tokens would rise in price.
New projects appear every day. That is why it is neccessary to monitor them market to find prostective projects.
Fall of the market is a good time to buy tokens but not all the projects will be able to survive during the fall of the market.