Early NFL lines often shift a full point or more—like a spread moving from -3...

https://www.acid-bookmarks.win/jumping-on-early-nfl-bets-often-means-buying-bad-prices-like-taking-a-team-at

Early NFL lines often shift a full point or more—like a spread moving from -3 to -4.5—showing how initial odds can mislead. Jumping on those early numbers means paying up too much