After an unconscious Piper is laid on the couch, her legs switch places between being straight out over the arm of the couch, to being bent in various positions between shots.
When Phoebe and Drake arrive back from The Alps, waiting for Leo's fate, Phoebe is wearing gloves, she pulls them off, then they're on again, on, off, on, off in the entire scene before she yells for the Elder to come.
When Leo, Paige and Phoebe orb into the manor to save Piper, Leo isn't touching Paige at all and seems to have orbed in on his own, even though he had just become mortal in the previous scene.