Check out the link:
http://www.skipa.com/component/form/Sign%20up%20to%20Get%20a%20$5%20Midweek%20Coupon?form_id=2
From what I can tell, no limit, no expiration until the end of the season. Not valid for Holidays
Hey, it's a frozen soy hockey puck at the lodge or a beer at the pub.