I would tell you that the cryptocurrency market is not so profitable as we all think. The principle is that you need to have time to go into it and get out on time.
I think you wrongly understand the crypto investment because still most of the day traders are earn some profits. So you should take time and research properly in potential altcoin surely you will find the best platform. But most of the experts are well experience in trading so we will not blame the crypto market. Who take more effort in trading they will earn good profit.