On the other hand, being a contractor also means you don't need to be as invested into the maintainability. If it gets too bad you can simply stop working on th

On the other hand, being a contractor also means you don't need to be as invested into the maintainability. If it gets too bad you can simply stop working on that project. You don't need to select for solutions for the long term. Not saying it's strictly that way, just different trade-offs.