A storage and/or commissioning system for storing and/or commissioning goods, comprising: a shelf system comprising shelf rows which are spaced apart from each other by longitudinal aisles and connected to each other by at least one transverse aisle, wherein storage channels are provided orthogonally across the shelf rows, and wherein the storage channels are formed by channel profiles and extend from a longitudinal aisle to a directly adjacent longitudinal aisle; at least two load pick-up vehicles, wherein the channel profiles are configured as lanes for the load pick-up vehicles and, at the same time, for supporting stored goods, wherein the channel profiles are spaced apart from each other such that they fit into the downwardly open forklift slots of a palette, and wherein the load pick-up vehicles comprise: a longitudinally configured frame with a chassis arranged thereto and a drive mechanism for moving the load pick-up vehicle in the longitudinal direction; at least one load receiving section arranged at the frame for receiving a load equipment and/or a load; at least one lifting device for lifting and lowering the load receiving section; and a coupling device for coupling to each other a plurality of load pick-up vehicles, wherein the coupling takes place communicatively, not mechanically, wherein a load pick-up vehicle acts as master and other load pick-up vehicle(s) act(s) as slave, and wherein the load pick-up vehicles are configured longitudinally and are at least twice as long as wide, and wherein the height of the load pick-up vehicle is at most 150 mm when the lifting device is retracted; and at least one shuttle that is configured to move both in the longitudinal and the transverse aisles (6, 8), wherein the at least two load pick-up vehicles are receivable on the shuttle at the same time. a shelf system comprising shelf rows which are spaced apart from each other by longitudinal aisles and connected to each other by at least one transverse aisle, wherein storage channels are provided orthogonally across the shelf rows, and wherein the storage channels are formed by channel profiles and extend from a longitudinal aisle to a directly adjacent longitudinal aisle; at least two load pick-up vehicles, wherein the channel profiles are configured as lanes for the load pick-up vehicles and, at the same time, for supporting stored goods, wherein the channel profiles are spaced apart from each other such that they fit into the downwardly open forklift slots of a palette, and wherein the load pick-up vehicles comprise: a longitudinally configured frame with a chassis arranged thereto and a drive mechanism for moving the load pick-up vehicle in the longitudinal direction; at least one load receiving section arranged at the frame for receiving a load equipment and/or a load; at least one lifting device for lifting and lowering the load receiving section; and a coupling device for coupling to each other a plurality of load pick-up vehicles, wherein the coupling takes place communicatively, not mechanically, wherein a load pick-up vehicle acts as master and other load pick-up vehicle(s) act(s) as slave, and wherein the load pick-up vehicles are configured longitudinally and are at least twice as long as wide, and wherein the height of the load pick-up vehicle is at most 150 mm when the lifting device is retracted; and a longitudinally configured frame with a chassis arranged thereto and a drive mechanism for moving the load pick-up vehicle in the longitudinal direction; at least one load receiving section arranged at the frame for receiving a load equipment and/or a load; at least one lifting device for lifting and lowering the load receiving section; and a coupling device for coupling to each other a plurality of load pick-up vehicles, wherein the coupling takes place communicatively, not mechanically, wherein a load pick-up vehicle acts as master and other load pick-up vehicle(s) act(s) as slave, and wherein the load pick-up vehicles are configured longitudinally and are at least twice as long as wide, and wherein the height of the load pick-up vehicle is at most 150 mm when the lifting device is retracted; and at least one shuttle that is configured to move both in the longitudinal and the transverse aisles (6, 8), wherein the at least two load pick-up vehicles are receivable on the shuttle at the same time.