Terrence Howard interviewed 123 pimps and 78 prostitutes over a period of two and a half years. This process included living with four separate pimps for various periods, including a month-long stint in a Memphis bordello.
When Djay and Nola are in the car in the opening scene, the view of the john from their back window shows the window rolled down a good 10-12 inches.
A moment later When Nola exits the car to get into the John's car..the same window is opened no more than one inch.
After DJay buys the keyboard from the bum at the beginning, he is holding a paper bag in his right hand and the keyboard in his left. However, when he goes to play the keyboard, the bag is gone.
When DJay changes the radio station in the car, the FM analog tuner is visibly set to the left side of the dial close to "94". But the radio station announcer identifies the station as "107".
DJay: That's a bottom bitch for you. I mean, we got everything we need right here. And all this stuff in this... this little-bitty space, man, it just looks so much bigger now. I'm here trying to squeeze a dollar out of a dime, and I ain't even got a cent, man.
Lexus: I ain't workin' day shift no more, D. I don't care if I have to catch a taxi ride home. I ain't workin with these stank ass, trucker bait hoes no more.