You didn't lose the customer.
You just weren't awake.
This happens to every business that sells online. Most owners never find out it happened at all.
A woman finds your business on her phone. She's in bed. She's ready — this is the hour people actually decide things. She types one question: “Do you deliver to Ajah, and can I pay half now?”
Your website chat replies: “Thanks for reaching out! A member of our team will get back to you shortly.” Which she reads, correctly, as nobody is here.
She opens a second tab. Your competitor's site answers her in nine seconds — delivery zones, deposit terms, a real number. She books.
You open your phone. There is no missed enquiry, no notification, no angry message. There is nothing at all. The sale left without ever telling you it was there.
Slow answers don't feel like losing money. That's exactly why they're expensive.
Most businesses can name every customer who complained. Almost none can name one who quietly left.