That's a way to lose my business.
Our gas water heater is 23 years old. Time to replace it.
A company based in our small town does gas water heaters. I talked to three people who don't know each other and all three agree that their customer service, uhm, isn't the best. To be fair I called and left a message on their machine. No callback. OK they had their chance.
I called another company in the next town over. They had previously promptly scheduled and fulfilled an appointment to look at our wall furnace. So I called them to schedule an appointment to quote on replacing the water heater.
No show, no call. Okay, things happen.
They called the following day to schedule an appointment six days in advance. No apology about the missed appointment. Well OK. Fine, still works, no rush.
No show, no call.
I have been in office support for almost 30 years, much of that time doing procurement. If a vendor performs like this it's because they are incompetent, don't want or need your business enough to perform what to me is basic customer service, or you haven't paid your bill (yes we did, showed up on our credit card statement).
There are several other companies to choose from.