Returns become part of the shopping decision once a project leaves me with unopened materials, spare parts, or something that does not work in the space. I use https://help-center.pissedconsumer.com/lowes-vs-home-depot/ when comparing receipts, online orders, large items, store pickup, and return windows. I also like to know the rules before checkout because bulky purchases are harder to bring back later. A clear return process can be just as useful as a small price difference. That makes the post-purchase side an important part of deciding which store is easier to use for future projects.