(This line from the Wikipedia article on the Triangle might give you an important clue: "The Triangle's population is the most educated and affluent in the Southeastern United States.")
You might be a Triangle redneck if...
1. If you've got ten years of old magazines stacked on your front porch but they're mostly New Yorkers... you might be a Triangle redneck.The Archer Pelican: You Might be a Triangle Redneck
2. If your front porch collapses (see item 1, above) and six dogs git killed but they're all airedales, border collies, or enrolled in agility classes... you might be a Triangle redneck.
3. If you own more cars that that don't run than cars that do but they're all Alfa Romeos... you might be a Triangle redneck.
Related: The Triangle (Wikipedia article)