When the wrong person answers, I use a fake accent and say something like, "Is this Walmart?" Told it is not I grunt or apologize and hang up. Next time I may just use a crisp, "Sorry, wrong number." Next time I ask, in an accent, for some fake name. Etc., etc., and so forth. Rinse and repeat.
Based in MD, near DC
Shopping from the Carolinas to New York
Have video cam; will travel
Poor customer service? Don't get mad; get video.