Home Depot Canada The

I ordered an AC online and decided to cancel the order a couple days after. The agent over the phone confirmed that it was cancelled successfully. It was not. The large heavy box arrived at my door, and I could not move it. Called to set up an online return which took over an hour. I had to call UPS after that to set up a date/time for pick up. They never came or called. I called UPS again and it was only machine picking up and I was told there would a fee of 5-6 dollar to schedule a pickup! I called the Home Depot again and asked them to reach out to the UPS. They could not, I asked for a manager they connected me to a supervisor which called me a day later than they told me she would. Again, I scheduled another pick up through her, UPS did not show up again and no one informed me again. I keep emailing the Home Depot after every failed attempt to just return this item, they respond after hours and just say we apologize we shall schedule another pick up. When exactly? days later?! After talking/being on hold for almost 4 hours, they did NOTHING. The AC is still with me, and they have my money $825.