70 dart side trim holes -bondo ?

I'll get some hate for this I'm sure, but I chose to not weld them. I used an aircraft filler. I backed the hole and filled it in, sanded it down, and put a very thin coat of body filler over it.

If you're good at welding and have all the means to, then I'd say go with that. I had neither, so I used what I had. Worked out extremely well for me.