One thing that I have learned in this business is that just when everything is going great, something goes wrong.

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You're just extra cautious because you know you can't just get off the boat and walk home if something goes wrong.

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That could be because people can't or don't want to wait for a delivery van to show up, or they are in a hurry, or they don't want to bother with a salesperson, or they know they can return what they buy if it goes wrong, or they just want to save on the delivery charge, especially if it is something heavy.

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