on 11/27/2020 i canceled my upstairs tv. i was told that a kit would be mailed to me to return the receiver and they had to receive it within 21 days or i would be charged for it. i called them again on 12/06 letting them know i still had not received the mailing kit. i was told again one would be mailed out. as of today 12/16 i called again and spoke with...