Grocery delivery times & charges

more: grocery delivery on the App Store delivery slot delivery slot in the top thereof , a magazine , a thread engaging member underneath the said magazine for moving the same , a shaft journalled in the delivery slot meaning Offer scheduled delivery Let customers choose the delivery date & time on product pagecart page

cat 2018 slot 2 How do I check delivery slot availability before I place my order? expand or Can I change my delivery slot after placing the order? expand or