Some good info here:
Honey, salt, sugar: Indefinite
Tabasco sauce, pepper, vinegar: 3-4 years
Jelly in plastic tubs: 2-3 years
Olive oil, parmesan cheese, taco sauce, mustard, soy sauce: 1-2 years
Mayonnaise, relish, barbecue sauce, tartar sauce, horseradish sauce, maple syrup, nut butters, salad dressing, ketchup: 1 year
This is a great list and helpful to know. Have you ever had some really old olive oil? Ick!!