Blazer I am thinking of getting.....

Guys, I am looking in to getting an 89 Blazer from a guy I know for a great deal. Getting it for 500 because its been sitt'n in his driveway for over a year and a half. He got it when his dad passed away and didn't need it. its a one owner and doesn't appear to have any problems. my question is, how diffecult is it to drop these things? Its got the 4WD package so I am thinking this will get in the way of getting it really on the ground. I Will likelye body drop it later but first I will probably just air bag it. what is involved here? Let me know. I look forward to hearing back from you guys....