The question I want SFB to answer is should she have paid the plumber who failed to find what she called him out for?
SFB?
I haven't a chrystal ball so who knows if he found the leak or not , if I was on an hourly rate I would of found the leak but at what cost I don't know , maybe the OP asked the plumber to leave due to 'hours totting up' , i'm sure the 'plumber' would have found the leak given a free reign and hopefully not taking advantage of the situation , do you really think the 'plumber' wouldn't of found the leak whilst on an hourly rate?
She said he did not find the leak, which bit of did not find the leak are you having a problem with?
Who said he was not given a free reign?
I will ask the question one more time. If a plumber is asked to attend a job due to a leak, he turns up, spends four hours on the job, can't find the leak, should he expect the customer to pay him. Please answer - yes or no. The saying "When in a hole, stop digging" Springs to mind.
You really are starting to sound and make yourself look stupid on this one lad.