Sure but there are fewer questions if the money has been 'saved' over a long period and even fewer if the money has been sat in your account for oh let's say,
6 months 
Makes you think.
For Jack specifically it would make an awful lot of sense to buy in cash and jump through
those hoops versus the hoops involved in getting a mortgage.
My take on the pov cosplay is let's just say she brings in £5k pcm, her outgoings are £2.5k and she puts away the other £2.5k (could be astronomically more though) in some form of savings, investment etc. Then cries poverty for having £0 'left'. I think that's her whole angle.