System and method for adding items to an electronic order

A method for preparing an online order for a customer, the method comprising:

• providing a database including a plurality of purchasable items available for purchase by the customer, wherein the plurality of purchasable items include at least one of consumer goods or services offered at a store;
• presenting, by an order server, a website displaying the plurality of purchasable items to the customer via an interface of a customer device;
• receiving, by the order server, from the customer device, a selection for purchase of at least one of the plurality of purchasable items displayed on the website;
• adding, by the order server, the at least one of the plurality of purchasable items to the online order;
• assigning, by the order server, a first order identification to the online order;
• receiving, by the order server from the customer via the customer device, a selection of a pick-up time for the customer to retrieve the online order at the store;
• generating a customer order report comprising the at least one of the plurality of purchasable items in the online order, the pick-up time, as selected, and a customer identification associated with the customer;
• upon receiving an indication from the customer device to complete the online order, identifying the online order as finalized;
• transmitting, by the order server, the customer order report to an order assembly server;
• receiving, by the order server, a selection of one or more additional items from the plurality of purchasable items to add to the pick-up time for the customer;
• assigning, by the order server, a second order identification to an additional order for the one or more additional items, the second order identification being different from the first order identification;
• linking, by the order server, the second order identification to the first order identification associated with the customer identification;
• adding, by the order server, the additional order to the pick-up time slot when the selection of the one or more additional items is received before a respective pre-determined order cutoff time for the pick-up time;
• transmitting the additional order from the order server to the order assembly server;
• sending instructions to an assembler of one or more assemblers to begin assembling the at least one of the plurality of purchasable items for pick-up at the store based on the customer order report, wherein the assembler comprises an automatic inventory retrieval system configured to (1) read identifiers of the plurality of purchasable items on the customer order report, (2) retrieve the plurality of purchasable items from a facility, and (3) place the plurality of purchasable items in a designated location;
• and
• when the selection of the one or more additional items is received by the order server before the respective pre-determined order cutoff time for the pick-up time, transmitting, from the order assembly server, the additional order linked to the online order to the assembler to assemble the online order and the additional order for pick-up by the pick-up time.