That's a good problem to have, though. Inefficiencies from following "the wrong path" just mean the end solution isn't quite as good as it might have been, but

That's a good problem to have, though. Inefficiencies from following "the wrong path" just mean the end solution isn't quite as good as it might have been, but if it was good enough to solve the problem in the first place then anything you can recover by switching tack is almost pure upside.