Reddit reviews Making Wire Jewelry: 60 Easy Projects in Silver, Copper & Brass

You can find books and videos on working with wire to make fancy links or simple jump rings to make a variety of different kinds of chains. There are also books on wire wrapping to make settings for stones and bands for rings, etc.

I don't have my jewelry books handy at the moment, but I recall this one being a good book for beginners - and you can get a used copy on Amazon right now for around three bucks plus shipping. This book is a really good one on chain making. It's apparently out of print but still available new through Amazon affiliates for less than half its original price. I don't own this book, but it looks like it has a few different interesting techniques for wire working.

I'd HIGHLY recommend practicing with plated or filled/layered wires to begin, because of the expense. I picked up a roll of bare aluminum wire at Home Depot really cheaply a few years ago, to try new techniques. If I remember correctly it was used for electrical fences, which is why it was uninsulated. I've also used heavy copper wire to make stuff, after stripping off the insulation.

When you buy wire, the smaller the gauge number the fatter the wire. Really thin wire is often too flimsy for jewelry - unless you're doing something special, and really heavy wire is usually too clunky - though if it's fat enough you can file and hammer it to get some interesting textures.

Ultimately it would be really good to learn to solder with a torch, to close up all of the links in your chains and join pieces together, etc., but leaving links unsoldered when you're first starting out is usually OK, as long as they don't snag on stuff.

Good luck.