$3.85 at 35A (Union County Apt. SC) on 10/8, but $4.29 at my home
field (FQD). Usually the price changes when the FBO gets a new load of
fuel.

By all means use Airnav to check the prices on the routes you fly -
and report your findings after the fact:

http://www.airnav.com/fuel/local.html

David Johnson