We have a similar process as others regarding coupons.  We give out discount "coupons" as prizes to our members in denominations of $10 to apply to future events.  We would like them to be able to use one or as many as they have against any event they want.  I tried to add a negative $10 ticket type so they could choose 1, 2, 3 etc negative $10, but I can't set up a negative dollar amount.

Just wanted to weigh in on my support for coupon codes and thought that maybe allowing a negative amount might be a way to do the coupon until you have time to do all the upgrades on the coupon.