A convertible carrying case and securement system for a post comprising a case comprising of at least five contiguous panels that form a substantially hexahedral volume, a retractable pull handle on one end of the case, at least one pair of wheels on the distal end of the case at the opposite end of the retractable pull handle, the case having a plurality of straps and/or handles attached to at least one of the outside panel surfaces, wherein the five panels include the case floor, two case side panels, a wheel-side panel closest to the pair of wheels, and a panel parallel to the wheel-side panel but connecting the opposite edges of the side panels, a post comprising at least a stump within the case.