• Make sure you get a knowledgeable and thorough home inspector.

You say that as if evaluating quality to decide which realtor to hire is any easier than evaluating quality to decide which home inspector to hire.

• Keep you from getting the shit sued out of you for one of numerous mistakes.
• Make sure you fully understand the giant pile of paperwork you’ll be signing.

These two are the job of a real-estate attorney, not a realtor.