In addition to relentlessly resourceful, you want a tough and a calm cofounder.
If you look at successful pivots, they almost always are a pivot into something that the founder wanted. Not a random made up idea.
You can win with the best product, the best price, or the best experience.
Developing a personal connection with anyone you're trying to do a big deal with is really important.
You'll get more support on a hard, important, project than a derivative one.
... but actually it sucks to have a lot of employees, and you should be proud of how few employees you have.