$88.88 air compressor
I picked up a cheapo mini aircompressor for my Dad today, he needed something he could move around easily that would handle the air supply needs of a touchup gun used in his woodwork projects. Advance Auto Parts had this listed in a recent sales flyer at $88.88 and it's rated at 2HP with an air supply rating of 4.6cfm@90PSI with a 110 power supply. The air supply sounded like enough for what he needed so I bought it and took it home for testing. I've got to say for the price and size I am really impressed how this little jewel works. I turned it on, plugged a hose in and dialed in the regulator. It keeps up with a touchup gun without problem. I loaded my gun with paint and shot a firewall and dash with it with no problems. Then I plugged in a standard sized gun and filled it with water and ran it nonstop till the cup went dry noting the air pressure. Although it's not large enough for continual use with a full size gun it would be fine for most primer work in my opinion. With a touchup gun painting small parts, motorcycles, and single panels it works just fine.
Bottom line is, if someone on a budget wants to work on their ride it can be done with tools like this.