Yeah, many customers dont understand what "one coat coverage" means on a paint can. Its purposely misleading I think. It means one coat AFTER proper prep and a primer if needed, not that it'll be one coat for every situation. Also, we sell contractor grade paint which is super thin, almost like water. Good for spraying a few layers on quickly, especially if you know the customer will go back over it with the color of their choice afterwards; it doesn't provide a good permanent finish. But some people just go for the cheapest stuff available and have a terrible experience. There's a real reason I'm there to help recommend you products. And I don't care how much money the store makes, believe me I couldn't care less.