Shopping

Question 1

Impulse buying

Answer 1

Noun

The buying of goods without planning to do so in advance, as a result of a sudden whim or impulse.

Question 2

Turnstile

Answer 2

Noun
A mechanical gate consisting of revolving horizontal arms fixed to a vertical post, allowing only one person at a time to pass through: She performed the self-service revolution by opening the first supermarket featured by the turnstile at the entrance store.

Question 3

At the mercy of staff

Answer 3

Phrase
Inside hypermarkets shoppers are not at the mercy of staff. They were free to roam the store, check out the products and get what they needed by their own hands.