Gift cards sold from your POS should be viewed as future sales and should not be accounted for in your current sales. They will essentially become a sale when your customers redeem them.
Many POS have them setup as if they were regular menu items. Unfortunately, this has the effect of doubling their revenue in Piecemeal.
If you regularly sell gift cards, we recommend that you reach out to us directly in the chat. We will make sure that your sales do not take them into account.