When Carl is working in the bathroom, he kicks a bucket that knocks a mirror off the wall. We hear an ensuing shattering of glass when it hits the ground, yet the mirror remains fully intact.
When Carl is working in the bathroom, he pulls his safety goggles down. In the next shot, his safety goggles are up when he's hammering a nail. In the next shot, his safety goggles are down after he hits his thumb with the hammer.
When Carl knocks the shelf loose in the bathroom, he spills a large quantity of white powder on his sleeve. In the next shot, his sleeve is clean without even any residue.
The burnt toast pops out of the toaster, then lands on the floor. In the next shot, it's on the table. When Carl sprays the toaster with the extinguisher, one piece goes to the edge of the table and one lands on the floor. They return to the table again in the next shot.