Interview past clients. Talking to former customers is always a good idea. But, to ensure you're getting honest feedback — not just feedback from people who have been handpicked by the painter to sing their praises — ask to speak to the painter's three most recent clients. When you speak to them, ask about specifics. Find out whether the painters showed up on time, protected furniture from paint spills, kept the house clean, completed the project on schedule, and of course, what it cost to paint their house.
It is helpful then to outline your wall with 2 or 3 inches of primer around the edges and frames before priming entirely the wall. Such a technique should help create a professional look by eliminating drips and splatters. A handheld brush is the best choice for this. For the actual primer application, roller paint can provide extra convenience. Spread the primer pain in V or W-shaped strokes. Once the primer has dried, sand down the bumps and wipe the walls down with a damp sponge.
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.