Adjustable locker system

A system of lockers comprising:

• a plurality of tracks;
• a plurality of walls, at least two of the plurality of walls slidably coupled to at least two of the plurality of tracks, and four of the plurality of walls forming four sides of a locker cavity;
• a plurality of doors, each of the plurality of doors being oriented perpendicular to the plurality of the walls, wherein a first door of the plurality of doors is coupleable to a second door of the plurality of doors so as to form a third door, and wherein at least one of the plurality of doors form a frontside of the locker cavity;
• a back wall forming a backside of the locker cavity;
• a position lock for securing positions of the plurality of walls and of the plurality of doors;
• a security lock for selectively locking the at least one of the plurality of doors forming the one side of the locker cavity;
• and
• a controller coupled to (i) at least one of the plurality of tracks so as to controllably adjust a position of at least one of the plurality of walls or (ii) the security lock, wherein the controller is configured to:
• receive a transaction notification identifying a transaction based on a transaction history of a first party and a time associated with the transaction;
• and
• control, based on the transaction notification, the at least one of the plurality tracks or the security lock to prepare the locker cavity a predetermined amount of time before the time associated with the transaction.