You do know the point of choosing a play style is to pick a course and stick with it. If you want branch out from that style (or as other games call it "multi-class") then you are going to have to spend a ton of points to get to that. A lot of games out there either lock skills once you get to a...
Can we have animal farming? Pig Pens and chicken coops? Of course any kind of animal farms would increase the risk of drawing extra attention from zombies and bandits.
I am sure in a survival situation people would still fish.
Traps to catch small game?
Maybe get horses as a mount and even...