What you have just established is a realistic working year, not the number of billable hours. You still need to account for marketing time, administrative time, bookkeeping time, equipment maintenance, continuing education, etc. You also need to calculate in equivalent time for self-employment tax, local business taxes, etc. In many locales, this can add up to an additional 20% or so in time or money.
I personally put together four more real estate deals last week... not to mention the deals that I helped my coaching clients put together. This business gets addictive when you get the system set up. It is a lot of fun seeing deals come together with very little effort.
Metrics such as price/earnings ratio and dividend yield on the S&P 500 index, a commonly used proxy for the U.S. stock market, are hardly at bargain levels. This has lead several market pundits to predict single digit annual returns for domestic mutual funds over the next decade.