Mr. Peevy, the painter from the hardware store, charges $1.75 an hour; inflation adjusted for 2016, that would be ~ $12.
Captain Gregg denies being related to Claymore Gregg (played by Charles Nelson Reily) - stating that he, the Captain, is the only son of an only son.
At one point, Captain Gregg states, "the smartest thing I ever did was remain a bachelor". Edward Mulhare died at the age of 73, a confirmed bachelor.