Welcome to AGO.
You do not need many tools to do a waterless wash; really, just a spray bottle filled with wash solution, and a lot of microfiber towels. I do not know where you are or what brands are available in your area, but I use Meguiar's Express Wash because it is very economical. I prefer a 32 ounce spray bottle; I would rather have too much wash solution than not enough. For the towels, get plush ones; I'd say a dozen should suffice for doing one vehicle.