[Perfectlap]

car has to be spotless before it goes on. Otherwise the inside of the cover gets dirty and it acts like sandpaper.

You'll do more damage touching the paint than leaving it alone. Modern paints are extremely durable. All you need to do is a seasonal clay bar cleaning and use a decent sythtetic wax every four months that you can find at most auto stores. If the car is garaged probably less frequently. It's not at all necessary to spend $100 on expensive waxes. The basic protective ingredients are found in all the big names found at Pep Boys or Autozone.

Same goes for the Canvas. Keep soap off it. Clean it and protect it with the Raggtopp kit and an OXO feather tip brush. Rinse it down every few weeks.