I have purchased the pro version and selected limit discount to lowest priced product.
I am still not following the preferences you have suggested to complete the task I need.
Am I explaining myself correctly? I get the notification “The maximum quantity of matching products for this coupon is 1.”
I need the cheapest product in the cart to be fully refunded, if there are multiple products, otherwise if one item in the cart, to be fully discounted.
You can try it out here if I am not explaining correctly: