How can customers respond with high emotional intelligence when they say it is expensive?

Don't look at whether it's expensive or not, look at it. What suits you is not expensive.

Customers or clients can refer to natural persons or organizations that accept property, services, products or ideas in exchange for money or something of value. Buyers of commercial services or products may be the final consumers, agents or middlemen in the supply chain. Traditionally, customer and consumer are the same concept, and their meanings can be indistinguishable. But for enterprises, customers and consumers should be distinguished. Customers focus on specific market segments, and their needs are concentrated; Consumers are aimed at individuals, and their needs are scattered.