Shopify has free discount codes you can use for Shipping. However they also work for Local Delivery. Discount / Coupon Codes are free on all Shopify Plans. Customers LOVE discounts -- so take advantage of these Coupon Codes to build your local delivery services.
Take my complete FREE Shopify Local Pickup and Local Delivery Master Class at
https://www.Rowby.com ...Rowby Goren, Shopify Partner