BetSquare are an Odds Comparison website which has an email based alert service. It is free, an emails can be sent as regularly as every 30 minutes.
See the SAG Alert Listing entry here: http://www.sportsarbitrageguide.com/compon...s.php#betsquare
See the SAG Blog category here: http://www.sportsarbitrageguide.com/wordpr...gory/betsquare/
Post your impressions and your personal experiences from using BetSquare here.