Well the Saints are favored regardless of who they go up against.
For the Chiefs/Patriots, the Vegas folks are posting 2.5 to 3.5 points, with most at 3 even, favoring the Chiefs. And almost every one is stating That home field advantage is a valid issue along with the Chiefs "improved" defense. I personally expect another shoot out similar to the regular season game. And, that's based on better weather than originally expected. For myself, expecting a shootout, as one bad play can cost a team 7 points, I'm not actually betting on this one. I got four of four last weekend so I'm not gonna push my luck.
And, as betting on the Saints is a no brainer (every one is), the payback is worthless so I'm passing on that also.
But, living in KC here's my closing thought: