on guru's coupon system i can specify the courses which the coupon will be valid, marking one course at a time, which is very useful to promote specific courses, but what if i want to create an all courses promotion, if i have a 100 or a 1000 courses on my site, it will take a lot of time just to be checking every course, one by one.
Is there a way to create a site wide coupon for all courses, without having to check one by one?