it is not necessary but turning bitcoin into other forum is better than trading using bitcoin only or just hold your btc.
Turning crypto into fiat not really needed
Depending on the timing and judgment of your market, decide whether to switch from bitcoin to fiat and vice versa. One of the most important investors is to make a profit from your investment, which is the decision you make because it's your asset, all advice is for reference only. Please consider carefully before deciding whether to sell or hold.