Hi, I’m new here. I’d like to ask a question about the free shipping. We use a coupon code for free shipping if the purchase is over $29, and also sell gift cards.
For example, when a customer purchases a $5 physical product plus a $30 gift card, the free shipping code works to waive shipping fee.
And then, when the customer comes back and purchases $30 physical product, and redeems that $30 gift card, (which he pays $0 for the physical product this time,) the free shipping code still applies successfully.
Anybody knows how to work around this, and make it qualify for free shipping only once? Thank you in advance!