If you're 100% fed up by both Democrats and Republicans, why not find a third party to support? I'm nearing that point myself.
The more that people who have lost all hope in the two major parties start voting third party, third parties can start gaining traction. I don't know where the whole "voting third party is throwing your vote away," came from, but it seems like a self fulfilling prophecy. Everyone believes it just because everyone believes it. If everyone who didn't vote as a manner of protest found a third party to support, as well as people who begrudgingly vote for "the lesser of two evils" weren't actually fully invested in the idea that voting third party is throwing your vote away, I think our government would be in a much better place.