As long as the contents aren't damaged, countable contents aren't missing any, and bagged contents are airsealed, I'll keep it. If it's potato chips, I'll eat them immediately if not stale. If, like one time, it's a rigid tub of icecream, and the icecream has a groove by the hole consistent with melting and pouring out, and black dirt particles inside, I'll return it. Look, shopping can be stressful and I've missed some ridiculous things