Because you’ve done something similar three times before in different categories doesn’t mean you’ve found a market.

Solutions shouldn’t search for problems.

Identify market fit without investing tremendous time and energy. If you have to contort yourself then you haven’t found it.

CEO should sell the product vision above all.

Hire people who are smarter than you, hard working and honest. At any sense of dishonesty or questionable behavior, show them the door.

Know when you’re done and cut bait ASAP.