If you want to improve your skills you need to be read and watch more videos about trading and getting more tips and strategy. Better to have you also own you have strategy. Most of the coins now are down and all you need is to wait the price until it will increase not only you are experincing that.
Your skills and knowledge also grow from your experience, how you learn from your mistakes and try better and avoid the same mistakes, you can learn it from your experience dude, so don't despair when you lose or fail to trade. just learn from your mistake