A dolly system for moving and disposing of garbage includes a frame assembly, and a holder assembly coupled to the frame assembly. The frame assembly may include a pair of rails. The frame assembly can rest on a surface (for example, on wheels for the frame assembly.) The frame assembly can be declined (for example, tilted back wheels). The holder assembly includes a carriage and a holder coupled to the carriage. The holder can hold a garbage container. When the frame assembly is declined, the rails of the frame assembly may form a ramp for the holder assembly. The carriage of the holder assembly can slide up and down on the rails of the frame assembly. The holder is movable relative to the carriage (for example, by tipping the holder) to empty contents out of the garbage container when the carriage is in a raised position on the ramp.