The best response is usually not a ready-made counterargument, but a clarifying question. Your goal is to turn a vague statement into a concrete basis for decision-making. Good questions stay respectful and help the customer say what the real issue is.
In practice, phrasing like “What exactly would you still like to think through?”, “What would need to be clearer for you to make a decision?”, or “Is it more about timing, price, a comparison, or internal alignment?” often works well. This gives the customer guidance without pushing them into a defensive mode.
What matters most is the tone: calm, open, and not interrogative. If you argue too early, you’ll only be dealing with the excuse. If you ask clean, targeted questions, you’re more likely to find out whether it’s about budget, priority, trust, or a lack of decision readiness. Only then can you choose an effective response strategy.