Everything in a 67 is hard to come by. they're a one year body. Use that to your advantage.
Rust in rear frame rail just where it arches up and starts going over axle, they're crappy in those areas on occasion, that's a BIG money price dropper there.
If they're asking 1800 and it runs and is complete look at all the floor pans and poke with a pen or a phillips screwdriver, get in the trunk, LOOK GOOD between trunk floor and quarter panels for seams or bondo for panel repair etc...
Under the brake and gas pedals also is a rust out area.
Take a penlight look under dash for damage by rust.... That means leaky cowl or windshield gasket.
I'm fairly certain that this car will have about 14 lbs of bondo on it somewhere...
But it's still nice at 1800 for a beginner car and they restore nicely