Continuity mistake: When Mickey opens the door at the beginning of the cartoon, the lever next to it is pointing to the right. But in the next shot, the lever is now pointing to the left as Mickey pulls it to the right.
Continuity mistake: When we see the house transforming itself into a trailer, you can see that two islands in the background scenery have nothing on them. When Goofy comes out in his car, there are now palm trees on the islands.
Continuity mistake: Before Mickey takes the bucket and leans out of the window to get some water, the lid of the coffee pot is closed. But after he has collected some water, the lid of the pot is now open.