Patzer

There is caution tape on Ana's door, which disappears later on when Hector and Jesse invite a couple girls to Ana's apartment to have sex.

The girl that Jesse brings into the abandoned house, Penelope, was wearing a blue skirt with leggings. However, when she goes to take off her shirt - she comes back with just black leggings on (Obviously she removed her skirt as well).

(at around 28 mins) When Jesse is showing Hector his new trick of leaning backwards without falling over you can see the wires holding him in place - it's wrapped around his right foot in the long shot.

The body bag is quite small for Ana, considering the fact that she's overweight.