$600/month is the cost of a room in a basic apartment.
Then they should work towards that.
Enabling homelessness by giving them free stuff is the wrong thing to do.
Now in the Arlington/Fairfax area....a 400 sq-ft studio runs you almost $2k. Pretty much the same story in SF and LA.
Even if you weren’t on an alcohol binge, paranoid-act or drug-issue...I’d question how one’s burger-flipper or coffee shop barista job would survive in most urban ‘zones’.