Welcome to the forum.
Buy books first. The best available today is:
https://simpsonltd.com/the-borchardt...ols-std-k1172/
Don't be put off by the price. You'll save more that this cost by studying it before you buy your first Luger.
I've never heard of "Chucks" of Atlanta. Search around this forum for a few that are established.
Charlie Justman (From Wisconsin) just retired and sold his business, but I understand that some have said good things about the new owner.
We publish a very useful FAQ Reference document, free to download. Just follow the FAQ link at the top of every forum page.
__________________
Igitur si vis pacem, para bellum -
- Therefore if you want peace, prepare for war.