Your time is in limited supply. There’s no reasonable thinking person that would continue to sell shoes, toasters or appliance parts after their inventory runs out without informing customers of the delay on delivery. You can promise every customer that you can deliver the goods on time, but when the shelf is empty, you’re going…
Perhaps the worst thing you can do to your customers (and your employees) is to say yes to everything in pursuit of unbridled growth. Without proper planning, you may find yourself with dozens of upset customers because you couldn’t handle the increase in demands. This is a scenario that I’ve seen dozens of times with clients and even went through myself a few times before realizing what was happening.