We should say that about any local economy.
I go to New Mexico for the chili. I go to California for seafood, garlic, artichokes and grape juice. I go to Colorado for corn and peaches. I go to New England for clams and lobster. I go to Washington for crab and salmon.
And I make sure to time it so that I'm there in season. But not for the chili festival/harvest festival/garlic festival/whatever festival. I just want my local delicacies, minus the crowds.
Costco, for all its advantages, is wholly unable to provide local delicacies -- they aren't set up for that kind of business. And that's fine. Because there isn't enough Olathe corn and Hatch chili to go around. The traveler who shops at Costco exclusively is missing out on what I consider one of the top reasons to travel, if not the top reason. I don't want a case of Costco corn dogs when there's a fried clam shack to be had in early Autumn, between summer and the fall colors. Best of all worlds that way -- fried clams, all the children are in school, no leaf-peepers from New York, brisk weather, and a cold craft beer. Best of all, I've already made arrangements for a sugarhouse to sell me the last of their previous year's grade B syrup. And if I'm lucky, the cider is coming in.