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

https://blogfreely.net/teresa-long85/how-important-is-shopping-for-the-best-moneyline-every-time

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