Breaking Bad! What are the reasons cars fail inspections?

Here is a quick list of some things that could cause you to fail your car inspection and get a REJECTION sticker. 

Bad Brakes
Bad Tie Rods
Bad Ball Joints
Bad Tires
Bad Emissions 
Rust 
Head lights 
Windshield 
Hand Brake Not Working 
Check Engine Light
Gas Cap Not Tightened
Head Lights Not Working
Directional Lights Not Working
Brake Lights Not Working
Bad Struts
Bad Sway Bar Link
Exhaust System
Horn Not Working
Broken Mirrors

Think preventative maintenance!