Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. A computer implemented property reservation service database stores information on rental properties, a hold amount, a cancellation period and an authorization hold period defined for an authorization hold, wherein the authorization hold period is greater than the cancellation period and runs following the cancellation period. The body comprises a net material being formed to have a top, a rear wall, a front wall and two side walls. In one embodiment, the pack bag is equipped with stiffening members for supporting the pack bag when not mounted directly to the frame. Furthermore, an agent-checking module ensures that at least one resource includes a software agent configured to answer natural language questions.