link:://:.winning-roulettesystems.com/roulette-systems.html
I checked your most expensive system description. Even random bets with progression can easily achieve the same results. I suspect your system is no better than any other losing system, except you charge for it.
While this section is for selling, in light of a few scams, the criticism will rightfully be more liberal. Despite that, youll still get some gullible takers.