In the post I made last week on the subject of Return On Capital for Betting Tipsters
I refered you to an interesting article on the Football Bets website.
A separate article from ProGambler discussing the same subject ( which is essentially one of assessing tipster performance NOT on level stakes profit but on ability to grow a betting bank ) can be found at the link below.
Well worth aread as it a key issue that is well worth getting your head around.