The title comes from a slang phrase for "an unscrupulous business operation." Although this is a British movie, the term is considered American and dates back to just after the American Civil War (1865-1870). (Not to be confused with the similar-sounding monetary aphorism, "to have skin in the game," which refers to someone who has invested heavily in a business deal or wager.)
The £9,500 paid for the land at the auction would equate to about $43,100 U.S. at the time, or $664,000 U.S. in 2017.
Edmund Gwenn and Helen Haye reprised their roles as Mr. Hornblower and Ivy Hillcrist from "The Skin Game (1921)."
A long shot of a man herding cattle at 00:01:17 and at 00:03:05, is taken from "The Farmer's Wife" (1928) at 00:02:40.