I am new to tradibg, any advice?

I am currently working, and lookjng for a side hustle. I found trading quite fit my cretaria of side hustle as it is flexible so it will not distrub my work. I am current looking for what asset to trade, any advice which should i focus more? Stock, forex, commodity, option, future? I am looking for asset which i can focus on to do trade which should i choose? Also any advice to help me start?