Early NFL lines can be misleading—for example, a team opening at -3 and moving...

https://super-wiki.win/index.php/How_Many_Sportsbooks_Should_I_Have_to_Line_Shop%3F

Early NFL lines can be misleading—for example, a team opening at -3 and moving to -4.5 by kickoff. Chasing these early moves often means overpaying. The key? Patience