If less than half the old paint is left, however, it may be worth stripping it all off. Guertin gets rid of stubborn remnants using shrouded grinders (like the PaintShaver), infrared paint strippers (such as the Speedheater), or chemical strippers (like Multi-Strip), then smooths the wood with a course or two of sanding. When siding (or bank accounts) can't take the shock of a total strip job, Rich O'Neil, of Masterwork Painting in Bedford, Massachusetts, has successfully hidden rough, well-adhered paint under Peel Bond, a thick primer.
The expression 'you get what you pay for' can be applied to nearly every profession. Of course you need to hire the painter that suits your budget however, the cheapest painting estimate may not include everything and you may end up paying more in the end. Painters usually bid their projects based on an hourly rate and they need to account for prep time, supplies, type of paint, ceiling height, difficult access points, and number of people working. When receiving a price estimate, ask the painter to break down the cost as specifically as possible so you understand where your money is going and ask about any required deposits or schedule of payments. Ask the painter to talk through potential unexpected costs that may throw off your budget. It's best to clarify all projected costs in the beginning before the work begins.