At the moment PSB is ridiculously cheap, so now is a great moment to buy more. It doesn't matter how much you buy and hold, it helps. I, myself have been gathering more and more, , and i'm goin to hold until 5000 sats at least. Remember that there isn't too many of these coins circulating, and it doesn't take many big bagholders to get the price up, just don't sell guys.
I can still remember PSB reached at 10k sats. For those planning to hold their coin, make sure they transfer it to their desktop wallet. Or you can just stake it in PSB online wallet.