Final answer:
Before viewing a property, a prospective buyer should obtain a pre-approval from a lender, email the agent a copy of their ID, and provide the agent with their phone number.
Step-by-step explanation:
Before viewing a property, an agent should have a prospective buyer do the following: A. Obtain a pre-approval from a lender. This is important because it shows that the buyer is financially capable of purchasing the property. B. Email the agent a copy of their ID. This helps the agent verify the identity of the buyer and ensure the safety of the property. C. Provide the agent with their phone number. This allows the agent to easily contact the buyer for any updates or changes regarding the property.