out your sample sheet of paper get comfortable spraying the color coat. practice holding the can about 6 - 8 inches (or how much the can says to use it) from a sheet of paper and practice painting using a sweeping motion. remember when painting, that for the base coat, less is more.
it is far better to apply multiple thin coats than one thick coat which could result in dripping, runs and other ugly problems. once you are comfortable, apply the base coat. it should only take two coats to get the job done. remember use the gentle sweeping motion when painting.
you do not need to sand between each base 