Well first I doubt if anything I say will dissuade you. You would be far better off to learn NOR and NOR+ right here because it is based on taking advantage of casino shuffles and shuffle machines - a true advantage.
A 5 step progression, no matter what you make the numbers, is 50/50. Sorry, but there is no way around that purely mathematical fact. Any true mathematician will tell you that.
No matter how long you wait, where allowed, the odds of your bet are still 50/50 - another unalterable mathematical fact. "My Uncle's friend!" That is the same as saying: "rumor has it that....." There are lots of rumors surrounding Baccarat. Everybody plays according to some rumor they heard - yet they all lose - including your Uncle's friend.
Do yourself a favor. There are no shortcuts. Learn how to win right here. There is no other place. Any member here will tell you that. They've tried them all. Learn here. Then you can teach your Uncle and his friend.