Interesting piece in the Daily Express today about Bob Rothman.He makes £400,000/year but has to use intermediaries as his personal accounts are capped.
I don't really see why this is a 'con' - it's just business. If you were an online bookie would you continue to take bets from a regular winner?
I agree with Paul, the size of the markets on Betfair should stop any need for getting others to place your bets. The fact that their books are open to security audits is a good thing, I don't see the problem with that at all.