Where do I begin, please help?

[Ink Everywhere]

Hello everyone. My first post, so sorry if it's in the wrong place. I'd love to know how to get started looking after pens. I inherited a collection of beautiful pens, some boxed, but most in two zippy wallets. There are some real beauties that need TLC and I just don't know where to begin with cleaning, repair, storage, inks, etc. Any advice for a newbie would be appreciated. Thank you very much! (Photos of examples of mending that's needed and quantity of pens that need a clean)