Early NFL odds often start out shaky—lines can swing from -3 to -4.5 or...

https://casinocrowd.com/is-it-dumb-to-bet-a-line-after-it-moves-from-3-to-4-5/

Early NFL odds often start out shaky—lines can swing from -3 to -4.5 or moneylines from +155 to +135 as info firms up. Rushing to bet early can cost you value