Early NFL lines often shift a full point or more, like a -3 opener moving to...

https://www.4shared.com/office/8NoEkNfdjq/pdf-24680-37503.html

Early NFL lines often shift a full point or more, like a -3 opener moving to -4.5 by kickoff. Jumping in too soon means missing better prices and value. Patience pays; waiting can turn a mediocre +155 into a sharp +135