ECONOMIST MILTON Friedman popularized the proverb that everything must be paid for, sooner or later, directly or indirectly; there's no such thing as a free lunch. Well, who is paying for the ...

A reader writes in to say he bought a water heater and expansion tank and had them installed by someone who was not a licensed plumber. The expansion tank was mounted horizontally — just hanging there ...

We are getting ready to renovate a bathroom but the person we are working with does not have a licensed plumber on his team (he does have an unlicensed one). We have worked with this person on other ...