There should be a bunch of these oil pans used, junk yards and so forth. Find one and have it installed by an independent mechanic. Although welding and glueing are OK fixes for some things, my opinion is that this part of the car will be subjected to more rocks, cold, heat, pressure, and is pretty important if it fails. If you can get a used pan for even half of the dealer price and get it installed with a new gasket for $200-300, take it. This isn’t even a car payment and you don’t want to worry about this thing leaking on some dark & cold night somewhere in the boonies.