$5000 to locate the exact location of the leak

elaborate on what was the story telling to hear the location of pipe leak worth $4999, cut it worth $1 to fix it? a plumber charged $5000, the custormer asked for why so expensive?
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The story you are referring to is a common anecdote often used to illustrate the value of experience and expertise in a particular field.

In this story, a homeowner discovers a leak in their plumbing system and hires a plumber to fix it. The plumber examines the problem and quotes the homeowner a price of $5,000 to repair the leak.

The homeowner is shocked by the high price and asks the plumber why it is so expensive. The plumber responds by saying that he has many years of experience and specialized knowledge, and that he can quickly and efficiently locate the exact location of the leak and fix it properly, saving the homeowner time and money in the long run.

The homeowner, still skeptical of the high price, asks the plumber if there is any way to reduce the cost of the repair. The plumber agrees to look into it and returns a few minutes later. He then proceeds to cut a small section of the pipe, fixes the leak with a simple repair, and presents the homeowner with a bill for only $1.

The homeowner, confused and frustrated, asks the plumber how he could possibly justify charging $5,000 for a repair that only cost $1 to fix. The plumber calmly explains that the vast majority of the cost came from his expertise and knowledge in locating the exact location of the leak, and that the actual repair was relatively simple and inexpensive once he knew where the problem was.

The moral of the story is that while it may seem like a particular service or expertise is overpriced or unnecessary, the value of experience and knowledge can often be priceless in saving time, money, and hassle in the long run.

[梧桐之丘]

That's so true. A family man learned DIY for house and car repairing is valuable.