What is the best way to select a broker?

There is no one best way to select a broker, but there are several things to avoid:

Don’t choose a broker without first checking client references
Understand what properties, if any, a broker has listed that could create a potential conflict of interest
If a conflict does come up, how is your broker prepared to handle it?
If you haven’t hired a broker, only let a broker show you spaces that they have listed

Don’t hire a broker if you are unsure about moving