Wee tweetstream last week:
Profit is good stuff. But never forget it's DERIVATIVE. Horse that draws the cart is excellent work/fabulous people/great relationships.
Don't get sucked into "scalable." First you need something fabulous/road-tested to scale.
Don't get sucked in by "unicornism." Odds of becoming a unicorn same as winning the lottery. Just do great work.
Fabulous work. Great relationships. The rest is details.