Your million-dollar idea could be a smartphone app that reminds people to floss (and makes you the dentist’s favorite!) or a pet food delivery service or some other terrific business that no one else can do quite the way you can. You take the leap and create a startup.

Amidst the heady early days of your startup, you might want to put financial matters on the back burner. Why worry about taxes when you haven’t even turned a profit? There is one topic where you’ll need a fast learning curve: startups and sales tax. If you don’t get it right early on, you could pay for it with big penalties later.

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