Betting early on NFL games can be tricky—lines often move a full half-point or...
https://mike-wiki.win/index.php/What_Does_It_Mean_When_the_Market_Already_Bought_the_Improvement%3F
Betting early on NFL games can be tricky—lines often move a full half-point or more, like opening at -3 then closing at -4.5. That extra half-point might cost you the bet. Patience pays off here; waiting for the close gives sharper prices and better value