I am looking forward to hearing your suggestions on what the good glass cleaners which can be mixed from concentrate are. I currently use sprayway glass cleaner and I love it, but with 4 price hikes just within the last year I am ready to move to something else. To save money, I would like to move to a product that I can mix from concentrate. I work on high end cars that command the best. I cannot have streaks, ruin tint, or offer a job that is below perfect. Any products that you find work very very very WELL?:think2