Homechoice is the worst

I made a big purchase from Homechoice, after 14 days of no product I inquired regarding delivery and was informed that I had already received delivery and signed for the delivery, when I denied the fact I was told the 1. they refuse to give me a copy of the proof of delivery, 2. I had to make an affidavit stating that I did not receive the product and 3. they had 60 days with their ***** department to sort out the dispute and 4. they insisted on 6 x copies of my signature to compare to their documents. All their business is digital, they might as well paste my signature on their paperwork and HOW can they REFUSE to give me a copy of the proof of delivery. PLEASE people do not get caught in their **** like I did Any advice from anyone on how to sort this mess out would be appreciated