Ultimate Technologies Lied to me, delayed my refund, receptionist rude Knoxville Tennessee

On December 21, 2015, I purchased a Kirby vacuum cleaner from Mr. Carlos Tate who came to my house. I gave him a check for $1000, which he asked me to write out to Julius Brown, Sr. Dealer (also in the neighborhood that day). I signed a contract with Ultimate Technologies, also signed by both Mr. Tate and Mr. Brown, which states I had three days from the time of purchase to cancel my purchase and the company would return my payment within ten business days. The following day (Dec 22) I changed my mind and called Mr. Tate to request that he pick up the vacuum cleaner and refund my check. He came by but did not take the vacuum cleaner (I presume because the money/product exchange needed to take place at the same time. I did not hear from Mr. Tate or Ultimate Technologies so I called the company on January 12. It's odd that Meghan there answers the phone not with 'Ultimate Technologies" but with "Hello." I told her I was waiting to see a $1000 deposit in my account and ten business days had passed since the cancellation. She had no paperwork or knowledge of the transaction but would let Mr. Tate know when he returned to the office. Mr. Tate came the following day and picked up the vacuum cleaner. He said usually the office will give him the cash to bring to the customer. I called Mr. Tate two more times and he gave me dates (the upcoming Friday, January 29, or Monday, February 1 at the latest) on which he would bring me a check or cash. Those days passed without a word from him or anyone. I called again the following week and he said I would definitely get my refund on Friday, Feb. 5 by Noon. At 11:30, I called him again and he said the checks are not ready yet. I offered to come and get it and he said that would be fine. I drove over to Ultimate Technologies, where a man I did not know gave me $1000 in cash. I'm relieved to get my money but the ordeal was very unpleasant and worrisome.