It does actually. It matters a lot. Most brokers have a piece of software that detects arbitrage trades (less than 5 pips) like yours and creates a lag which makes them unprofitable.Tell you what, since you have so much money, why don't you open an account with another broker, Pepperstone or IC markets for example, and we'll test out your theory that the broker doesn't matter
But why? Whats your motivation here? To help others with the insight you dont have.Anthonys verified trading history is long enough for everyone to be sure that its not a scam. A scam would only last a month or two and then the money would be gone or the rate of return would drop dramatically.This is an investment. Like any investment, it carries with it certain risks. If you are uncomfortable with those risks then don't invest but its most definitely not a scam.