I would recommend reading the handbook at least. It should definitely be possible if you do that, if a bit harder than using other resources like the wiki.
I believe this is what I did for most of my first playthrough, but that was cooperative so I don't know how much other people looked up.
I know it exists on the latest stable release, but I can't guarantee it still exists if you're playing past that. Some places will have more copper than others, though. To my understanding ore spawns (read spoiler for more information if you want it)
Depends on what you consider a cheese tactic. An easy enough stone age tactic would be to throw spears and get them in an open space. It'll be easier to run circles around them while you repeatedly throw projectiles that way. Easiest way for this to fail is if you run into something solid like a bush. They wade through shallow water faster than you, but you're a better swimmer, so you can also enter lakes. If you consider fighting them in the water to be cheese, you can still swim to the other side and throw spears before they catch up.
The same strategies work on bears, but you need to do a lot more running around and picking back up your spears. And things get much worse much quicker if they catch up.