Their rent is paid by housing benefit whether its a council flat, shared house etc and they pay little to no council tax. And yes bills have to be paid to which doesn't leave a lot but it can be done.
What if they own (well, have a mortgage on) a house?
If a single person is made redundant and happens to be buying their home, they're basically screwed. The mortgage interest benefit is rubbish and only available for a limited period.
I think that contribution based JSA should be just that - the more you've paid in tax and NI (over perhaps the last 3 years), the more you get back for a period of time (maybe 6 months).
That way, someone who had a job and was managing to pay a mortgage etc, doesn't have to lose everything whilst they're trying to get another job.
Gearing everything up around waiting until people are forced out of their current, mortgaged, home and into HB-funded rented accommodation does nothing for anyone.
It's definitely much more difficult for people without children, too, as there is a huge imbalance in what is available to people with children and those without.
I'm not certainly not saying those of us with DC should get less, if we were to ever need to claim, but that there should be a more level playing field and singles should get something more.