I'm disappointed to report that dealicious.ca never even addressed my problem after one email and phone call. I bought vouchers for a local merchant. Was able to redeem 2 of the 3. The merchant kept cancelling on me, and then the coupon expired. I have the emails to prove all of this, and phone call logs as I tried to contact them for a while after.
Zero stars if I could. I feel so cheated. Based on my experience, I would tell everyone to stay away from them. There are many other reputable group buying sites out there.