Can you share the link where you asked "how to trade" to people here? I doubt you didn't ask something in specific, so people just give you the answers generally.

Firstly, you choose a good place to trade your Bitcoin. Binance is very recommended exchange and it is the place where all people usually do trading. Then, buying and holding Bitcoin for several months is the basic way of earning profits through the volatility of its prices. The principle is "buy at a low rate and sell at higher rates". But this conventional way takes a bit longer time. However, as the beginning step, you did well start.