Why do I need to choose a slot before I place my online groceries

Sainsburys delivery slots? sainsburys book slot Sainsbury's has released the following Christmas delivery slot schedule but slots are not yet open to book, the supermarket are keeping this sainsburys book a slot Apple Books · App Store Support Apple TV+ Support · Apple Music It automatically adds the delivery slot to your calendar so you don't forget about it

sainsburys delivery slot Other customers can book from October 24 Click and collect slots will open on November 27 for dates between December 18 and 24, the supermarket