I instructed for 3 years to get the time needed to move on, back in the day. At 500 hours, I was barely getting comfortable as a CFI, let alone thinking of moving on. But - I realize times change, and this industry is all about timing (and who you know). So, just hang in there, realize the industry is in shambles for now, and most likely will be for a long while. Remember that many of those ahead of you had to instruct for a long time to get a shot at a turboprop or cargo!

PS - I know folks kid about the 'truck driving school' number, but those guys are getting hammered by fuel as much airlines. If one is truly looking for a backup career, making sure it's not in the transportation sector would be a smart move.