Won't collect Poor quality item

I requested a return 2 weeks ago and filled in ALL the necessary paperwork to do so, arranged with the courier to collect on Monday (14 march) at 4pm. They called to confirm on Monday and we waited for them and they have not collected the package. It has 2 weeks now and I am still waiting for them to collect. In my experience with other online stores, the return process is a simple one, whereas with Groupon it is ridiculously complicated. I really feel like I should no longer support this company due to the poor quality of the item I wish to return and because of how difficult it is to return it. I have never had to deal with such horrible customer service, I am absolutely disgusted with groupon and will no longer buy anything from you again! I am sick of you ignoring my emails, what an awful company.