Short vs. Long term
Dude, are you planning on a long term or a short term ownership? Is this a $'s issue or an ownership pride thing?
If you are into this like many here, and into the trailer for a long term, then the panel replacement (Bigger $'s) is your better bet against the shorter term ( Rivet in fix). Your $'s, your trailer, your call.
There are loads of threads on panel replacement, and there are likely dealers in your area (Alaska?) that might be able to assist.
If you are handy ( sounds like you are with the 'fix' you are proposing) then this likely is something you can handle. Search the threads a read away. Post ALL your questions!
Just another avenue to persue. Have at it, and have fun with your AS!