Depends on how much the OP trusts a used engine. Remember that he is not going to do the work himself as you would. That makes engine replacement way more expensive. You could replace the engine 3 times for the same money he would pay for one engine.
Thatās a lot of incompetence for $175/hr!
@glasspilot To clarify, the mess up was not by my mechanic, rather the dealer when putting in the new engine. Same problem, different entity!