Is there a price point that's an automatic yes?

[Cosmo Iannopollo]

I came across an ad on Craiglist for a mobile home selling for $10K. Pics of it look fine, which made me wonder why some investor hasn't snatched it up. Even at the smallest of rents, you'd be cash flowing almost immediately, as the home would be paid off basically as fast or as slow as you'd like. 

So...is there any price point where you'd say yes to a deal without even having to think twice about it?