Well-known Tasker on TaskRabbit will work for your extra room
There are plenty of people on Craigslist who are willing to perform just about any menial task (mow your lawn, whip up meals, serve eviction notices to other building tenants, drive you to/from work, rub your feet, lick your butt, etc.) in exchange for a room. But not all of them are reputable Taskers for TaskRabbit.com. Tackle your to-dos to someone who's "successfully performed hundreds of tasks," and been openly rated for it. Satisfaction guaranteed.