Two things to know:

1. The prep work is much more important than the actual paint and spraying thereof.
2. You get what you pay for.

You can do the prep work yourself, have a cheap paint job sprayed, and have something that looks ok and keeps it from rusting for a few hundred dollars. If you want it to look good it can easily run well into four figures.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.