- OVERHEAD - big car dealers have huge overhead .They have property taxes , lighting , heating , air conditioning , employees to pay , used car manager , new car manager , business managers , yard person , vehicle clean up crew , back room managers plus the owner and business would hope to make a profit . Overhead is what can make or break a business . It is only far to say that big car dealers have to make big money . Overhead can cause a price difference between car dealers .[ Back ]