The correct answer would be, Maintaining consumer vigilance.
Before you buy from a salesperson who claims to represent a well known company, you check with the company to make sure this person is an employee. You are Maintaining consumer vigilance.
Explanation:
Acting a vigilant consumer means, how active, fast, watchful, alert and a wide awake customer are you in a situation of a danger or opportunity.
If a sales person come to your house for selling some products of a famous company, and you just contact that company and ask them about the details of the person at your door, selling you their products, it means you are a watchful and alert customer, who will not trust anybody coming and claiming to be associated with some famous brand. It means you are maintaining the customer vigilance.
Learn more about Customer Vigilance at:
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