Quoting Abagail♥Rose:" I've had meat thawed/kept in the frig with the intention of cooking one day and not get around to it ... [snip!] ... have one. I'd also go by how it looks/smells when you go to cook it. I wouldn't see one more day really making a difference."
Quoting Abagail♥Rose:" I've actually never gotten meat that wasn't packaged with some sort of plastic wrap so I'm not sure if ... [snip!] ... if the sell date is tomorrow. Seems there's always some time after sell by date before whatever food item actually goes bad."