Every family has its quirks. Some families chew too loudly; others argue about politics at Thanksgiving. My husband’s family, however, had a much more expensive flaw: they were professional freeloaders.

Arthur and Eleanor Vance, along with their spoiled daughter Madison, were masters of what I like to call the “Ghost Check.” They possessed a refined palate for the finer things in life—five-star restaurants, private wine reserves, imported truffles—but an astonishing inability to physically touch a leather billfold when it arrived at the table.