Although the cost of healthcare is not insignificant, it pales in comparison to general living expenses (food, rent, utilities, etc.).
Everyone is discussing conceptually, here are concrete numbers... When I was striking out on my own a few years ago health insurance was "the big one" everyone brought up, so I went on Kaiser's website and got a quote from ~$250 - $450/month (varies with copay, benefits, out of pocket max). It's a bit of a cost though not nearly as scary as everyone makes it out to be and not enough to plunge you into the depths of debt if things don't work out (it's also tax deductible).
Everyone is discussing conceptually, here are concrete numbers... When I was striking out on my own a few years ago health insurance was "the big one" everyone brought up, so I went on Kaiser's website and got a quote from ~$250 - $450/month (varies with copay, benefits, out of pocket max). It's a bit of a cost though not nearly as scary as everyone makes it out to be and not enough to plunge you into the depths of debt if things don't work out (it's also tax deductible).