No, on both counts! Because you'll find as time goes on, progressively modeling objects of ever increasing complexity will require ngons or n-poles or triangles for certain situations where they're unavoidable not too which is really an efficient process in maintaining an effective edgeflow, that usually mitigates shading…
Edit2* I've received lots of offers! I'm reviewing them and will decide within the next week. Thank you everybody for your messages! Edit* I've gotten a lot of messages, I'll respond to each one but it'll take some time! Thank you! I'm hiring a 3D artist for an unannounced Unity sci-fi game and looking to hire a 3d modeler…