AbleCommerce Shopping Cart Software

Hi, I am trying to figure out why my shipping methods aren't working correctly. I want to have free ground shipping based upon a minimun order of $70. So if the customer orders $69 worth of product or less they will pay for shipping and if they order $70 or more it will be free. Under my shipping me...

We currently have free shipping on all of our products when they are purchased at retail price - no coupon. We are currently putting out a coupon with a deep discount, but want to have a requirement of must buy 2 in order to get free shipping. Is there any way to attach shipping to coupons, so that ...