Going along with my previous post...
I opened up a jar of jalapeño peppers tonight that have been sitting in my cabinet for an indeterminate amount of time. I tried to take one out and it was completely mushy. Ew ew ew ew ew. There was no date printed anywhere on the jar either, so I have no idea how long it was sitting there.
Lesson learned: Don't buy something just because its cheap if you don't plan on using it within a few weeks or months.
I also threw out a jar of Sriracha that has been in my fridge for well over a year now. I was sad to see it go, but I never find enough stuff to put it on and also the inside cover was NASTY. It could have been moldy, but honestly I didn't want to examine it too hard.