Which technique used in the persuasion of a sale often works even though the buyer gets the worst end of the deal?

Question

Quizplus · Accepted Answer

The low-ball technique involves initially offering a low price or deal to lure the buyer in and then raising the price or changing the terms of the deal after the buyer has committed. This often results in the buyer getting the worst end of the deal, but it can still be effective in making the sale.

Which Technique Used in the Persuasion of a Sale Often