A:

No.

According to DeadlineHollywood.com, “They work without a script and they’re not paid a dime, but being on the show has boosted their businesses and made them brand names in the appraiser field."

One of the most frequent experts has been Mark Hall Patton, administrator of the Clark County Museum in Henderson. Affectionately known as the "Beard of Knowledge” and “the world’s only rock-star museum curator," Hall-Patton has become such a celebrity that the Clark County Museum’s attendance has nearly tripled since he first started appearing in 2009. “That’s why I do the show — to showcase the museum and get people out here.”

Similarly, other experts appear on the show to benefit their businesses, which have boomed since the show first aired in 2009; they also claim that they’re recognized all over the world. A couple of the experts have gone off to star in their own spinoff shows.

The series, which is taped at the only family-run pawnshop in Las Vegas, became History network's highest rated show and the number-two reality show ("Jersey Shore" being number one over six seasons) is in its 14th season.