Thanks all for your responses

1. i know insane profit = insane risk , but majority of the coins currently in top 200 have gained more than 10000%.
2. I tried mining eth back in  invested alot of money. 7 GPUs 200 M Hashrate. But effort time was not worth money was alot more.
3. i lost money in new projects as well e.g. there was a scam coin agena read posts , websites , white paper as far as i can digest. Thought legit but scam.
4. There are 100s of coins with ico every year , majority of them are scam. Dont know the way to identify the right ones with wrong ones. If you know then you can tell this information or if something secret please do not hesitate to message me