Keep the content on your entire website relevant to your market area.
If you want to find clients in Scottsdale, Tempe, and Mesa. Add content to your site about only those areas. If you work in a very broad area that covers several cities or states. Consider a 2nd or even a 3rd website. If you include too many areas, Google will get confused on what your site is really about.
Selling homes in a specific market area.