Family Dollar complaint: Terrible Customer service

On April 18 2023 I purchased a 15 dollar igloo cooler with intentions on taking it with me to a get together that evening. I never made it to the gathering so the following day I decided that since I didn’t use it I would return it and get some needed items with the returned money. First when I got to the store I confronted what ended up being the only employee at the time and she didn’t know how to do a return so she called her supervisor and was told that it would be like 5 minutes before she would return. So I wait and walk the store picking out several items I would purchase after I was refunded. So after about 20 minutes the one I guess was on the phone showed up so I walk over to her and handed her my receipt and the cooler and she sucked in her teeth and says to me I ain’t taking this back I said excuse me? Why is that? She then stated because it’s filthy mind you the cooler had been sitting in my truck since purchased and hadn’t been used. So told her that and she proceeds to call her superior and takes pictures and what not and so I’m still waiting for her to get a response. Finally after about 10 minutes of silence ishe gets a response and she is conversing with her superior all the while calling me a liar and looking down on me. Well this is where it gets good. She says to her superior I couldn’t resell that to anyone. So I say I bet that I could go pick one of the shelf that was just as if not filthier so she says do it. And I did! The first one I saw and didn’t have to open it. It had a dark smudge across the top of the lid that looked like what was inside the one I purchased. I even quoted your return policy and she pretty much told me off. The employee in question was named Ronica and the store in question is 1717 N. Pace Blvd. Pensacola, FL. I think Ronica could use some customer service classes and I truly hope that she is not anyone with a supervisor title. I would appreciate a response to this as I will be posting this on every site that will listen. [email protected]
Is my email address thank you

Charles Nelson