I have three kids (ages 4, 6, and 10) and built examprofessor.com which launched in 2006. The company is profitable, but not wildly successful by Silicon Vall

I have three kids (ages 4, 6, and 10) and built examprofessor.com which launched in 2006. The company is profitable, but not wildly successful by Silicon Valley standards. I am not the sole founder, but I venture to say I have done (and continue to do) my fair share of the work. I work on the design, sales, the user interface, programming, support, server maintenance, maintenance, accounting - nearly everything. The key to success? I try to make the product a little better each day, even if the changes are tiny (code comments, etc.). I am not able to sit down and bang out code all day due to family obligations, but persistence, focus, and making smart, calculated changes, over a longer period of time can make for a pretty fantastic product. Also, doing your own support + programming puts you in a unique position to listen, work on, and fix issues that cause the most problems. Rome wasn't built over night, so they say.