A method for providing real-time navigational guidance includes: storing merchant profiles, each including a merchant identifier, geographic location, and wait time; storing product profiles, each including a product identifier and participating merchant identifiers; receiving a product list from a computing device, the list including a plurality of product identifiers; identifying, for each of the plurality of product identifiers, a corresponding product profile that includes the respective product identifier; identifying, for each of the plurality of product identifiers, a participating merchant profile that includes a merchant identifier included in the corresponding product profile; generating a navigational guidance plan for purchase of each product indicated in the product list including stops at merchants related to identified participating merchant profiles based on the geographic location and wait time included in the participating merchant profiles; and transmitting the navigational guidance plan to the computing device.
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