I did notice food stalls while I was exploring the Root Town. I assume we can buy food.

[He checks his money pouch, and finds about 1100 GP in it, which surprises him. Jake recalls facing around 22 goblins thus far, soooo....]

Well, it seems we've been steadily accumulating wealth just by defeating the goblins. I doubt money will be an issue in that case. And housing is basically what the guilds are for, other than having a group of people to form various parties and share treasures with.