In 2012, doctors working in primary care had a median compensation of $220,942 while those working in a specialty had a median of $396,233, according to the Bureau of Labor Statistics. Choosing between becoming a doctor or a physician assistant may likely require students to weigh more than just their potential salary.
Ordinary Maintenance. On average, a deck made from pressure-treated pine will last 15 to 20 years before succumbing to the accumulated stress of direct sunlight, rain, salty ocean breezes, insect infestation and repeated cycles of thermal expansion and contraction.ressure-treated pine remains the most commonly used decking material, reports the Popular Mechanics website, but plastic composite decking planks have earned a growing percentage of the marketplace -- in part because homeowners believe these pricey alternatives might outlast genuine wood.
The foundation and frame of your house should last a lifetime if they were properly built. And while the walls should also last the lifetime of the house, aluminum windows are only expected to hang around for 15 to 20 years. Wooden windows should last as long as 30 years.Your garage door opener won't have as lucky of a fate, however. Expect it to last 10 to 15 years.our house. The aforementioned Study of Life Expectancy of Home Components report states that a typical roof made of asphalt shingles should last about 20 years. Roofs made of fiber cement shingles should last 25 years, and roofs made of wood shakes are typically good for 30 years.