We returned our used mattress to Costco and don't feel bad about it at all. We're just following the policy and plan on returning another one.

• Yuliana Martinez and Louis Orellana returned their old mattress to Costco for a full refund.
• When the associate saw the mattress was in good condition, she quickly processed the return.
• The whole return process was very simple and took roughly five minutes. 

This as-told-to essay is based on a conversation with Yuliana Martinez (25) and Louis Orellana (20) from Los Angeles, California, about returning their used mattress to Costco. It has been edited for length and clarity.