On other episodes when the address to the house is revealed, it's said to be 1882 Gerard Street. But when DJ and Nelson return back from their date the address right near the front door reads 1892 instead of 1882.
When Jesse grabs the hammer, he holds it by the head. In the next shot, he holds the handle.
When Joey turns on the circular saw, he looks at Jesse while he makes a cut. You should never, ever look away from where you are cutting while you are cutting. Otherwise, you risk injuring yourself or others.