When you have not enough hands to carry your shopping items.
Shopping could be very exhausting, could be even like work if you buy too many things. If you want to enjoy a comfortable shopping, of feel bored of carrying some heavy goods, you could put it into a Lock Box at a Self Service Storage.
To handle the self-service locker storage is very easy, its completely digital, no key is needed. At the Lock Box Station is a screen, you select the menu "Rent Locker" --- select a vacant Locker --- put in your phone number --- create your own password --- you pay the money --- put in your belongings.
To get back your stuff is also very easy, select the menu "Take Out" --- select your locker box --- input your password --- if necessary pay overtime money --- take out your belongings.