I am a Sellers Only Agent. When my visitors are buying, I hand them to a buyers-only agent I trust. To get on that list, you go through this. It is hard on purpose, because the buyers reading it deserve to know exactly what their agent had to prove.
Not an agent? Read it anyway. This is the gauntlet every agent on our recommended list had to survive. Skim the questions below. Then ask yourself why you would ever hand the biggest purchase of your life to an agent who was never asked any of them.