That's what Sean Duval has learned after 30 years of keeping his luxury transportation company running.
What started as a couple of stretch limousines, purchased by Duval with money he saved, has grown into one of the largest private shuttle operations in Michigan, with 41 vehicles, 118 employees and $8 million in yearly revenue.
Crain's Detroit talked with Duval about starting his business, guiding it through tough times and what it takes to be a successful entrepreneur.