Has anyone managed to live off your trading strategy without working?

I’m just curious if anyone has managed to live off their trading gains because of their well defined trading strategy.

If so, what strategy are you using, how long did it take you to refine and trust your strategy, and how much does it take to achieve this level of financial independence?

PS – this question is EXCLUDING those who did it with a huge retirement nest from their previous job’s savings / inheritance, eg. Anyone with $1mil in savings can already live off $10,000 per annum in interest, and so I’m not looking at this group of traders.