in my opinion is not an actual problem or not, but sell for a loss or sell for profit. or other possibilities you feel disappointed because in a few months bitcoin prices move higher.
It is your understanding that you want to do sell during the dip or want to sell during the high and make money it all depends upon you and your future vision. If you believe it is a bubble you will always end up in a loss as always during dip you will sell and after some days prices shoot up .
HOLD is actually good but you will hold only promising and good coins. If you hold a trashy one with patience, you won't get any benefit from it. First understand and verify yours is good to hold for long run.