A new Harvester found under Electronics / Miscellaneous Electronics, costs 0. You need Ambitions ( or a later pack ) for the harvester to show up in your game.
PS. Description what it can do
The Harvester is a multi-purpose tool for gathering a variety of items quickly. Fun and flexible, use the Harvester to suck up stray puddles in seconds! Quickly gather copious amounts of rocks, gems, and insects! Dispatch of old newspapers and trash without getting your hands dirty! There is no end to the variety of harvestables the Harvester is capable of consuming!
A very handy tool to have.