Arm & Hammer cat litter TRY ME FREE rebate does not respond online

Purchased a box of the new Slide cat litter because it said to try for free with a rebate. Tried to go on-line to collect on the rebate--was informed over and over by the computer that I was installing the wrong code name (this is the one the rebate paper said to submit). After 2 hours of going to different websites to collect on my free rebate I gave up and called the phone number on the rebate form.  Talked to a real person, who informed me that I went to the wrong website, he took me to the correct website (according to him) and proceeded to tell me that I was putting in the wrong code, although it was the one he spelled out letter for letter to me. I gave up, told him that the consumers were right about this being a scam and I was going to call BBB.  Wow--talk about ripoffs--BBB wanted to charge me in order to file a report.  After spending all day trying to get my rebate I finally called the phone number on the box of cat litter. Again, I talked to a real person--he appologized for the inconvenience I had experienced and took my phone number, name and address and said a check for $10.00 should arrive to me in 7-10 days.  Let's find out if I wasted my time again.