Abstract: Various embodiments are generally directed to techniques to facilitating delivery of a package or sensitive item to a user, where the package or sensitive item can be a credit card or debit card. Various techniques, methods, systems, and apparatuses include utilizing one or more factors for determining an optimal delivery location or path in relation to the user obtaining the sensitive package or item. Various embodiments can provide the user or the delivery courier with an interface that maps or otherwise indicates, by a color-scheme or other suitable scheme, one or more of demand and availability of the sensitive item or package in relation to a receiving or delivery location, where in various embodiments, the mapping or scheme associated with demand and availability can be based in whole or in part on the one or more factors associated with optimal delivery.

Abstract: An exemplary device for allocating transactions across a plurality of sources includes a screen, a memory storing instructions, and a processor configured to execute the instructions to perform operations including: displaying on the screen an interface for a multi-source payment account profile; generating a first window in the interface indicating at least one characteristic of transactions and listing a plurality of potential payment sources available to include in a default allocation of funds settings, the default allocation settings including at least one relative percentage at which the listed payment sources are used to fund transactions; receiving a first user operation adjusting the relative percentages; transmitting the adjusted relative percentages to a server over a communication network; receiving from the server information regarding an approved transaction; and switching the first window to a second window identifying the approved transaction and approved allocation of funds for the approved t