If you call this a decline, are you sure you can stomach an actual crash? Not trying to knock on you, just setting expectations. Whether this is a good price to buy in is anyone's guess, but you need to know for yourself how much of a potential loss you can handle. (and on the flipside, how much FOMO you can handle if the current prices turn out to be cheap in retrospective)
All of these metrics (FOMo resilience and such) can be grown in size once proper knowledge is inside a person's head: no matter what happens on the market afterward, it doesn't boil to panic actions and panic situations, which lead to losses and sorrow.