Homeless converted to live-in slaves. Sounds nice! Company towns are coming back, and probably going to be worse than ever, with big brother FB planning on doing similar.
However, apartment management gigs are frequently part-time-ish, with on call hours. I've known a few apartment managers who have outside income. In a small complex, say 30 units, the job can be done by an onsite individual on a part time basis. For that sort of scenario, I would expect that the pay comes largely in the form of subsidized rent. For a larger apartment complex, I would expect that the pay would increase commensurately.
Moreover, there is something insidious about it being run by a real estate company, an entity that might very well have contributed to homelessness in the first place.