The amount of flour on Larry's head expands when he scares Mr. Allen.
Right before the Stooges are sent to the basement to work, Moe picks up a stack of pipes and holds them at waist level. In the next shot, he is carrying them on his shoulder.
In the stock footage where Larry is digging a hole in the front yard, it is clearly daytime, but the short takes place at night.
Mr. Allen's shirt flap falls off when Moe is grabbing him, asking where the painting is.
When Emil Sitka leaves the shower you can see he is wearing shorts behind the towel he is covering himself with.
The jeep the Stooges own for their own plumbing business has the same license plate from Fuelin' Around (1949).
The wire pulling the phone back and forth in the beginning is visible.
Shadow of cameraman on the right side of the screen as Mrs. Norfleet introduces her husband to the Allens.
The placard for the Three Stooges' company reads "Day And Nite Plumbers". However, when Moe answers the phone, he calls it "Nite And Day Plumbers".