I am also not a professional trader but I think these will be helpful:

The first thing is "don't join in trading if you cannot be patient and know well about crypto market trends/characteristics". Trading requires patient and smart analysis of market trends. We must know when the price tends to rise up and go down. And if it is still in a bad trend, you are better to hold (patient).

The second thing is "don't be easily influenced by FUDs". You must be smarter to know which one is reasonable news and which one is FUDs only. Never hurry to sell your coins/tokens because of current rumors. Please do research, at least googling to know the truth.