Common Sense Note
Parents need to know that while some mild language ("hell," mostly) is the strongest that this show's content gets, the dusty subject matter isn't likely to entice too many kids. Mike and Frank are crafty businessmen who use seemingly devious sales techniques to get the antiques at the lowest price so they can resell them for the maximum profit. While their tactics sometimes make them seem like they're taking advantage of people's naivete, the process does show how the economic market works as a whole and is a good intro to the exchange process.
A few instances of "hell," and at least one reference to a man's penis.
The show provides a fairly realistic look at how market economics work, with Mike and Frank doing their best to get the best deal possible -- which can sometimes make it feel like the're taking some advantage of the people they're buying from.
Drugs / Tobacco /
Sometimes the guys relax with a beer.