Continuity mistake: In the opening scene, Dallas shoots the cashier and gets blood all over her face. In subsequent shots, she has far less blood on her face and it's less obtrusive. Given how heavy her makeup is, there's no way she could have scrubbed the blood off without disturbing the makeup.
Continuity mistake: In the opening scene, Nick throws on a jacket, still open as he hides his gun under the counter. Two shots and a second later, it's fully zipped up - something he wouldn't have been able to do in that timeframe.
