How To Know When Sales Make Stocking Up On Grocery Staples Worthwhile - Chowhound

Fangxianuo/Getty Images There's a fine line between "a well-stocked pantry" and "prepared for a zombie apocalypse," and it can be hard to strike the balance. Sure, you might not know how you would use 50 cans of black beans, but when there's a "Buy 10 Get 10 Free" sale, the deal might just feel too good to pass up. With grocery prices on the rise, it's tempting to take advantage of any opportunity you get for…