Midii would be used to having to share because of her younger brothers, and while she would initially have been hesitant about strangers, she'd consider it a compromise for being out of the way at a more reasonable price.

And yes, she does have a job. She does errands and runs favors around town, and on rare occasions, even makes deliveries. So it's a relatively steady income, depending upon how much work there is for her to have on any given day.