This quote is priceless: "50% the people that trade forex loose,

even in the long run?" I think the other half are tight. Another famous FOREX trader John Maynard Keynes said "In the long run we are all dead". So this beats the alternative.
If he's selling it for under 1/2 million even in U.S. dollars I'd snap it up. I've read about gambling syndicates that raked in millions with an edge as small as 1 percent. Go to the free section and save your dough, some of those systems are 100 percent free and tight over the long run. Try the cowabunga system, see if you can execute like the big boy does, and keeps you in Charmes Chambertain.