>>1908936
Yeah it's normal for people to stick to the meadows, simply because it's the most peaceful biome and therefore the least annoying. Later biomes all have something annoying about them that makes living there long term annoying if you don't know how to deal with it all. You'll see for yourself as you progress. You certainly CAN make permanent bases in other biomes, if you're willing to deal with the hassle that comes with them. If you build a proper wall and maybe a moat, that'll take care of most things.
I make my final base in a later biome that I find comfy, but most would find it too inconvenient for a permanent base. Can't really go into detail without spoiling things for you.
Mobs will respawn infinitely. Including trolls. I believe cave trolls are an exception, but regular ones will randomly spawn in the black forest. Resources do not respawn. If you grab the red cores, money, or whatever else from a tomb then they'll never respawn, if you want more you'll have to find other tombs. You can get an infinite amount of the cores later, but right now the tombs are your only option. Ores and trees also do not respawn. But you can plant new trees with the seeds they drop.
I don't recommend reading a wiki. The game is far more enjoyable when you discover things for yourself. My advice is to just harvest everything you see to unlock recipes, then try them out and see what they can do.