That is good. Try using strict stop-loss and focus on protecting your capital first. Often time we take risk management lightly on demo accounts and take those bad habits to live trading accounts.
exactly , we should develop a good trading plan first of all. otherwise the result of using leverage can be useless.
you should always choose the right forexleverage according to your trading account size. For beginners, i would suggest lower leverage of 1:100 - 1:200 maximum so you aren't overcommitting per trade which can be very detrimental.
Choosing leverage should understand the concept, that high leverage help for small budget trading will increase opportunity, but control trading is a must when use high leverage, usually, manager PAMM chooses leverage 1:100 as moderate leverage.
Even 10x is appropriate enough for the beginner, they should not opt more than that, unless they are ready to risk the losses.