Why not use a corner or supermarket “valeting” hand car wash ?
These are no better than automated carwashes, on the whole they use the cheapest products, don’t care about the finish you get and are run on a conveyor belt system. And if you actually compare like for like on the prices, they are not that much cheaper! Remember, we come to you! What are RDS or RIDS Random deep scratches can be caused by drying blades, cheap sponges, and also bushes at the side of the road or driveway.