Costco's famously generous return policy is tightening, with stricter checks and flagged accounts leaving some longtime Costco members shocked and upset.

As the holiday season is coming to an end, many consumers are left with Christmas gifts they are planning on returning. Every year hundreds of people stand in queues waiting for their turn to return ...

Did you make a purchase at Walmart that didn’t quite work out? Whether it’s a blender that didn’t blend or a gift that missed the mark, the Walmart return policy is surprisingly flexible — as long as ...