I'm sixteen and pregnant, what are my options?

To be honest I'm not even sixteen yet, this month though. So if I keep the baby I'll be a mom at 17. I'm scared as hell that I'm not going to be a good mom. I dont have a job, I'm a pot head, I'm a smoker, and I drink often. The drinking is what got me in this mess. The father wont be much help, I know that. He's an immature little nitwit that I never would've had sex with had I been even close to sober, never. Maybe its selfish to say but I dont want people looking at me like I'm a whore because I'm knocked up in the 10th. I'm no whore. I've had sex with two people, not dozens. I read up on abortions and I think they are a cruel thing to do. Completely cruel. I could never live with myself knowing that I had done that. I know that I can't get any help from my parents though, my dads a recovering crack-head, and my mom is a single mother of three kids living off a bartenders wage. I'm at a loss for what I should do. I dont even had enough money to get a proper pregnancy test ****. I've just missed two periods and I have all the symptoms of a pregnant woman. Open adoptions are an option of course but I dont want my baby to see me as a failure. Closed adoptions? Can someone explain to me how abortions REALLY work. Maybe I found a bogus site?