depends on what products. Sponges and towels and stuff? Go to any store and pick up some microfiber cloths. Don't use regular towels and cheap ass stuff. You will scratch your car. Be very picky and don't be cheap. You just spend 60 - 70k on a brand new car, whats another $20- $30 worth of microfiber towels? You can get a good size microfiber towel for $6 to dry your car. and 6 smaller pieces for other uses for $10. Don't use the same towel when drying your car on your wheels, paint, glass, the inner door place (lol i dont know what its called you know where it says ///m3, yah that place). microfiber is your friend it works like magic. Soaps, waxes and sealants? They're all over the internet. I like the zaino line.
http://www.zainostore.com