i used to have a detailing business and youll probably get 10 different answers to the same thing. I always used to tell people its like painting your house. If you've ever painted doors and trim youll know that you have to take extra care to let it cure completly. Go ahead and wash it when it gets dirty, drying it with a properly cleaned chamois. For the soap, we always used a normal kitchen dish soap like dawn, or joy, it worked the best for us. Id wait a couple weeks for polish/wax, which ever product you decide to use, just done grind it in to the paint. Apply in the shade, let it dry to a haze, then buff off using a clean soft towel turning regularly. Good luck, and i always wax my car every few months.