Not a feel-good movie, but solid acting and character development create an engaging experience. If you look past it being purposefully uncomfortable and focus on the main ideas, it delivers beautifully.
Mental health creates a different reality for everyone.
Drugs and betrayal are synonymous.
The innocent suffer.
You can argue there are some obvious slips (imesage typing dots from a flip phone, surplus store open that late, dude not asking clerk for a description, how would he not get caught, etc.), but that's kinda where this film shines brightest; the "American Dream" is to try and get away with "it" despite fumbling the ball repeatedly. Key word being try.