OP let me see if. Understand what you mean here.

Do you mean if you want to buy more when is already surging how you can do it or is it beneficial to do that..

Well, if is that what you meant then I did say yea. You can get a coin when Is already pumping even if you have bought it at the initial stage. That's when Dual Investment or DCA comes into play. But you should know when doing that, the coin you wish to buy shouldn't surge that much

For instance. Sol rose from 8$ to $28 right? You can buy the coin at $28 - $30 when you already have bought it when it was at $8 because you believed that Sol would rise above $40 in due time