You clearly didn't start a company with a $15 million exit. I'm sure all the advice/numbers here will have a MASSIVE MASSIVE amount of selection bias and probably don't apply unless you're guaranteed to be making millions.
We want the one person company all the way to the 1000 person company to fill out the info. Please, we'd love to here your story, regardless if it was a hit or not...just as long as you were or are doing it fulltime.