historically, a home team gets +3 points for home field advantage
a -7 at home means the smart people who set lines feel that New England is 10 points better than Buffalo on a neutral field.
Only 10 points off of the defending SB champion, who has not allowed an offensive TD this year is actually a spread giving Buffalo credit and looking to sucker in Bills fans.
The smart money is on New England. The spread started at -6 or -6.5 depending on the book.The fact it is now 7 to 7.5 means more money is backing New England, as it should.
I think the Bills have a chance for the upset.
Vegas wants people like me to bet. Therefore this week I sit on my money. Many Bills fans have.