Why $19.99 Outsells $20: The Pricing Psychology Amazon Sellers Can’t Afford to Ignore
Here’s a question that should keep you up at night: why do two identical products, priced just one cent apart, convert at dramatically different rates? The answer lies in the messy, irrational, beautifully predictable realm of human psychology—and understanding it is worth a 10-25% revenue increase according to Harvard Business Review research from 2025. Most […]