Continuity mistake: In the scene when Chilli Palmer comes home to find a dead assassin waiting for him, he calls a friend to help him move the body. When the friend gets there, they lift the body up to get his wallet, as they sit him back down, you can see his eyes moving. In the next shot, his eyes are looking a different way. Dead people do not move their eyes all around.
Continuity mistake: In the scene when Lynda Moon meets Uma Thurman for the first time she puts her bag on her shoulder after she gets out of her car, it is visible that she puts one of the straps over her shoulder while the other appears to be twisted but in the next shot both straps are over her shoulder in the normal fashion.
Audio problem: Almost every time guns are aimed or moved quickly, you hear clicks or metal sounds that people associate with firearms. However, guns only make these noises when the shooter manipulates the gun itself. Guns don't make "racking" noises just by aiming them.