In September of last year my wife and I participated in an hour and a half long in-home demonstration of a water filter system. For our time and trouble we were promised a complimentary dinner for two at one of four restaurants whether we bought the system or not. After approximately a month I made my first phone call to the company to see when we would receive our dinner voucher. The person who I spoke with said it could take up to 6 weeks and give it a little more time. It is now February. After two e-mails, three separate phone call... read full review »