I'd inquire to see if any of the vendors you buy from attend a major swap meet like Hershey. You could combine a fun meet with picking up your parts. I've done this a few times, most vendors are happy to arrange this, you'll need to pay in advance.

It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed