So by now; you may read many version and definitions of what's the edge for successful retail "investors"?
First thing first; he doesn't add a single cent as additional capital since Jan 2000 when he became a very determined DIY retail investors.
So what is Uncle8888's edge?
10 years yearly Goals; plan and re-plan; think and re-think; strategize and re-strategize; refine and refine; track, measure and see its performance.
He answered to nobody!
At the end of day; the outcome and result truly matters. The rest is just theories and concepts and good for teaching and earning some teaching fees.