The fastest way to gain sanity is to befriend 5 pigs and start chopping trees. just standing at the tree boosts your sanity super fast.
you can make fish sticks with 1 fish 1 stick and 2 monster meat
you can feed your bird in the cage seeds and it will drop after 4 seeds poop.
craft a campfire and but dont place it. keep it for emergencies.
use the ice hounds from walrus to freeze it with a blow dart and then easily kill him
dont know if it changed but tallbirds dont loose their aggro on chester so you can easily kill them without getting any damage