Mortgage rates have dipped into the upper 5 percent range twice this year. But each time, they quickly moved back into the low 6 percent range. If you saw that and thought you missed your chance, you are not alone. Many buyers view rates in the 5 percent range as a major turning point. Dropping from 6.1 percent to 5.99 percent can feel like a big shift. But here is what most people do not take the...