Hard to answer. One answer is forever because of some rental houses which bring in $2000 a month profit. Life would be less fun, and things would be tight with

Hard to answer. One answer is forever because of some rental houses which bring in $2000 a month profit. Life would be less fun, and things would be tight with 4 kids. Another answer would be a few months, because the Great Recession kicked the crap out of my savings and investments. Of course if I got to that point I would start selling assets and tightening spending, and thus extend my personal runway. So back to forever.