In some embodiments, a method can comprise facilitating display on an electronic display of one or more available time slots available at a store to a user. In many embodiments, the method can further comprise receiving a selection over an electronic transmission system of a first time slot from the user, the one or more available time slots comprising the first time slot and receiving, in an electronic order cart, a selection of a plurality of items from the user. In some embodiments, the method can further comprise, after receiving the selection of the plurality of items from the user, determining that the plurality of items are available in a store inventory of the store. In many embodiments, the method can comprise, in response to determining that the plurality of items are available in the store inventory, determining that one or more pickers are available to finish picking the plurality of items before the first time slot and, after determining that the one or more pickers are available to pick the plurality of items, confirming the first time slot with the user. Other embodiments of related methods and systems are also provided.