A few writers I know have taken time off work over the past year or so with the goal of finishing novels. I did this myself back in ’07 and had a wonderful time, but it can be a bit of a trap.
You can enjoy it a little too much, so that any stressful day job situations in the future can leave you looking at your bank balance and the door. It’s also a bit like getting a tattoo – once you break down the mental resistance to the idea and actually do the deed it’s very hard not to want to do it again!
For any writer who does take time out of the business of making a crust to give 100% of their work week to writing, I say ‘good on you!’ and recommend you give special thanks (to whoever you thank in such circumstances) that you could afford it. It sure beats the ‘starving writer in the garret’ thing.
Though I’m sure living in a garret would be conducive to writing… A small room (limited distractions) and a view, probably of the lives of your neighbours (source material)…