BuyBeehive via Rakuten offers the refurbished FoodSaver 2-in-1 Food Preservation System for $79.99. Coupon code "HOME20" cuts that to $63.99. With free shipping, that's the lowest price we could find for a refurb by $36. Note: No warranty info is provided. This coupon can only be used once per account, with a maximum discount of $40. (You must be signed in to use it.)
Vinegar is arguably the most versatile product in your house. If you aren't using it for all of these purposes, you're probably wasting money.