Work anywhere you can until you can save up about $5000. Then go to Australia on the working holiday visa. You can make $16/hr picking tomatoes or as a barista or $25 an hour shuffling stuff around at a building site. Save $20K while enjoying life, then move to California and do a 2 year degree at a community college for $36 per credit. Get good grades then transfer to a UC to complete a bachelor's at in state tuitio…
Saving up $5000 is simply not feasible for a lot of people.
I'm a developer today, and do ok by industry standards (not great, just okay, for now). However, I grew up in a less than trailer trash home, my dad was a janitor, my mom was nuts (I used to watch her talk to invisible people in a roach infested kitchen), my siblings were sucked into the poverty mindset. I was born with a serious medical condition. I've had some other crap go down that I'll barely tell my close friends, let alone an Internet of strangers, but trust me when I said I've had to rebuild areas of my life more than once. So what. I won't tell I have it all figured out, but I will tell you I will not be defeated. And I have little sympathy for those who tell me the horrible hand they've been dealt.
I realize that we live in a world where only the kids of the rich get to succeed, and the only way to start up your own business is to join an incubator. If you believe that, then you will be taken advantage of. Either push to be successful, or be the kind of person that the successful use to get there. They're more than happy to take your money and your spirit.