The way to get rich by options trading is to make a market in them, to aim to be as neutral as possible on your greeks and to take bid/ask spread, and to do this with extremely high-quality real-time risk analytics systems, first-line trading oversight and second-line risk management oversight. In other words, it's to be an equity volatility trading desk.
There are already a lot of real professional trading desks doing this. How can you compete with them?