Rust Repair Maiden Voyage

Nice quick fix job and it looks decent which was your end goal. Great idea posting the lessons learned part; that's helpful for the rest of us who might be interested yet also shows your pretty secure.

My brother did a very similar repair in the early '90s on my Scamp on the passenger side lower rear quarter panel and had similar results. It was better than seeing the perforation rust and also prevented it from spreading faster.