Most recruiters create fee objections. Sure, clients are going to challenge the fee in an industry that is so fragmented in its pricing.
Top Producers are not "Phone Wizards." They don't say things you don't have the nerve or savvy to say. But they don't make BAD choices!
Do you guarantee your candidates? For how long? What is it you guarantee? And exactly when did you become clairvoyant?
You're taking a job order. The list of questions is long, conventional, detailed.
Don't worry. Opportunities are never lost, someone will take the one you miss from you. Besides, it wouldn't be the first time.