From dull to shiny finishes, paint comes in several different lusters. A paint’s luster depends on its mixture of pigment, resin, and additional ingredients. If you’re struggling to decide what finish you want, note that glossier finishes tend to be more durable and washable. Flat paint, on the other hand, is better at hiding surface imperfections. Pearl and eggshell lusters fall somewhere in the middle, as they are more washable than flat paint and partially hide irregularities.

A. Many homeowners purchase small sample cans of interior paint at a local home improvement store and apply each one to a different section of the wall. You should look at each color under different lighting conditions, such as natural daylight and nighttime lighting. You'll also want to consider the general color scheme of the furnishings, artwork and flooring that will be in that space.
Power washing – $0.42–$1.40/sq. ft.. You might think you can save some money by power washing the exterior yourself, but homeowners can get a bit trigger-happy with a power washer in their hands. The pressure from the washer can take them unawares, breaking windows, leaking water into window frames and siding joints, and gouging wood. It’s probably wiser to use a hose and scrubbing brush. Rinse off any cleaning solutions thoroughly.
Most of a projects price is the cost of labor at $25 to $75 per hour. However, most contractors bid out based on the entire project which includes all work hours. Hourly rates are only useful if your pro asks to do the job as “time and materials.” However, be wary of this pricing structure, it usually shows the contractor is uncertain how long the project will take.