Body hammer suggestions

[cwcarpenter98]

I decided to dive into fixing the rust on my truck and after watching some videos, I think I'm going to need some body hammers and dollies to make my life easier. Any recommendations on some good tools that won't break my wallet too bad? The welder sure took a chunk out, but it's one that will do anything I need it to do.

I was planning to cut out a donor section from a cab, but if I could repair this section with a hammer, I might try that first.

The hammer in the picture was an old one that I think my mom's grandfather had back in the day. Unfortunately, I broke the handle on it not long after taking the picture. Hopefully I can find a new handle for it because I really liked using it to flatten out metal brackets and such that I was making