- Obsess on solving your customer's problems. - Don't build product before talking to prospective customers. Don't build your products in a vacuum. - Pay your

- Obsess on solving your customer's problems. - Don't build product before talking to prospective customers. Don't build your products in a vacuum. - Pay your suppliers on time. - Take good notes. You'll need them later when a CEO is breathing down your neck about why his darling (yet useless) feature was removed. It's hard to remember context around decisions that were made X months/years down the road.