First attempt at real bodywork. Tips?

The only advice I have is go slowly and take your time. You have no deadlines, so don't rush it.
You got that right. His first response when we found the rust, well it's been like that this long. I said yeah but we didn't know about it. And now that we do, we gotta fix it. I can let some things ride, but a rusty a pillar is unsafe. If it's mine, that's on me. My kid? No way. Car is down until this is fixed. He gets it.