: Take photos and list the car online. Higher quality photos and a clean car attract better offers. Essential Beginner Tips
: When buying, start by offering about 20% less than the market value. When selling, set the price in the "red" zone of the bar and be patient; most cars will eventually sell near that price.
: Before negotiating, buy cigarettes and candy from the gas station. Give Cigarettes to male NPCs and Candy to female NPCs to get an extra haggling attempt (4 tries instead of 3).
: Clean the car (wash/vacuum), remove rust, and repair faulty parts in the workshop to increase its value.