Using concessions to influence the other party’s behavior
This tactic signals that it is now the other party’s turn to reciprocate and make a concession on an important issues.
Example:
399 380 385 (you pay 5 baht more, seller absorbs 5 baht)
Push & pull (give & take)
I guarantee that other customers don’t get such a good service or discount, you are the first one.
Manager comes to talk to you after you agree to buy to make you more satisfied and more confident.