I lived a year and a half in Washington DC on $1000 per month. My living budget for working on the startup in SF was barely more than that.
I don't really care to be lectured about stress either. Living in SF and trying to do a startup was the most stressful part of my life, and at one point my doctor told me if I didn't get out I was going to die at 30. I was the sole technical founder of a startup, and I happened to have severe tendinitis in my forearms, which I had to work through. I didn't have enough money to actually get treatment or go to physical therapy, either.