The MMM way is more about locking in your luck than anything else. Be frugal, when lady luck smiles and you have a lot of income make sure you do not waste the proceeds and avoid living above your means at all costs. Having skills is a plus and in his particular case it helps if you are good at building a personal brand so you can ride the self help bandwagon.

Very useful information compared to most other self help institutions though, far more actionable but a bit preachy and unaware of how complex other peoples lives are but such over simplification can help to make a point.

Also, he seems to pretend as if he is the first person ever to live like this but there are many others that simply never thought of themselves as special in any way. See also: the millionaire next door.