The price of the coins depends on the trend in them.
If there is a trend its price is growing.
Now morden trand is differen dogs coins. Their price is growing and people buy dogs coins to have more profit.
But now appear a cats coins like this https://twitter.com/angrykittytoken/status/1479171278171000833
May be the trend of 2022 will be a cats coins
Development of cryptocurrency market depends a lot on economic situation in the world.
Many people prefer to invest money in cryptocurrency when economic falls to make money on investment.
During the fall of the market you can buy cryptocurrency for the best price but it is very important to check everything and evaluate the prospects of the project.