Always be talking to your customers.

Always be selling.

Surviving is succeeding. Make more money than you spend.

read this : https://basecamp.com/shapeup

Find a LEGIT accountant. Expense everything.

FIND health insurance ( if it means getting a part timer for health insurance)

hire 1099s

there will always be bugs.

Set up an alert to be notified if your site go's down.

Workout daily. Go outside walk. whatever find something MOVE your body.

Good lucky.