Its a tough decision what to do and hindsight always plays a big part. People moan about bad beats but never remember the times they got away with it. I had Chicago Under -34.5 Yesterday @ +104 , -115 was the best I could get at the time for 35 and I just didnt think it was worth it. What really done me in that Game was the chances of an interception being run back for a TD.
With the increase in Exchanges a lot of this type theory has gone out the door as you can trade for the better numbers at prices you have never got with the Books. The figures I have are if you bet with the Books, the best value is 3 & 7, 4 is about right and 5 & 6 your getting mugged. While The Exchanges average isnt far off the Books prices, their best prices are always hugely better except for the 3 which I think is more to do with layers being wary. :drink: