I think with $300 i will prefer on Bitcoin-altcoin trading, beside we can use small capital on it, usually exchanges that allow trade between bitcoin and altcoin not really strict and maybe KYC will only to increase limit withdrawal. And in altcoin trading, you can see movement price that you can put what is fit with your style.
I believed trading with altcoins is even more risky than btc trading. Bitcoin is quite established in market and its price is less volatile as I think. Most of altcoins are new and nobody knows, or give convincing reasons, what their price will be. It is more like total lottery for me, with btc I am sure its price won't fall to nothing, I can't tell the same about altcoin. How much is trading with altcoins similar to btc trading?
Btw what is difference for me to trade on OTC exchange and regular exchange? I can set price + my interest rate on any platform, and it looks like I can trade offers with small btc amount on OTC.
Since some of you trade or traded with crypto, how much time did it take for you to earn money when you realized learning trading was worth it? That is, when did trading start to generate somewhat serious income? Note this is not about stable income