Asian Playboy :
The problem is that it does require my intermittent involvement, and when it does require my involvement, it usually means that there's a huge fire I need to deal with. I'm thinking about continuing at a smaller scale, mainly because my brother needs a job.
Vierstein :
There's a lot of debate over whether or not the Double Martingale System has a flaw or not. I believe, as do most people, that it does. The practical problem is that eventually you will need to do huge bets, so it requires an infinite bankroll.
I think it might be possible to figure out a winning system without playing if you understand every subtlety of the game already. I would at least play for fake money to see how it works.
Casino on Net is international. I'm pretty sure they accept registration from any country.
It is very possible to top the house. You may want to check out those MIT books to see how they did it. It's pretty fascinating stuff.
Tynan