Stick to the name brand companies like Dupont, PPG or others. Use there complete system. Primers, sealer, color and clear. They desing there products to be used together. Miss matching products can cause problems now or down the road. Don't try to skimp on paint materials. You get what you pay for. Cheap paint might look fine the day you paint it put will look like doo doo down the road. Good product will hold out for many years.Don't rush the job and don't skimp on materials and you'll be very pleased when done. It will be worth it.