I need some expert help. I just had my basement finished. They put knockdown texture on the ceiling. I put a coat of drywall primer on the ceiling and then painted it with three coats of Sherwin-Williams Brilliance ceiling paint. That left streaks everywhere. I thought maybe the problem was

I want to paint my kitchen cabinets and get a really smooth (almost non porous) surface. After researching, I found that spray painting is the only way to get the surface I want. However, spray painting machines are kind of expensive considering that I am only using it for once