Every ten years, the political party in power gets to redraw voting district lines in its favor. Republicans did it in North Carolina this year, leaving incumbent Democrats at a disadvantage in several Congressional races such as NC-8, where traditionally conservative portions of Rowan and Davidson Counties are now in the boundaries.
Running for Congress is tough as it is – you’re up for re-election every two years, which means you’re constantly campaigning and raising money.
Plus, most people in your district have no clue who you are.