Starting out and need help and advise

Hello everyone I'm 20 years old just starting out and looking to build a home studio but don't know where to start and what equipment I should buy. I already have a mac book pro and I'm about to buy protools for it. I have about a $3500 - $4000 budget to work with to buy equipment and build the studio and I have a few questions about what to do. 1. I have a room picked out in my house to build the studio in and i was wondering if it was a good room to build it in. I don't know the exact dimensions of the room but if I had to guess I would say it's length : 20' width: 10' height: 8' and it's a rectangular room. I was wondering if anyone had any plans for a room like this or any ideas on how I should build it and how much you think it might cost me. 2. I need some input on what equipment to buy. Like what I'm going to need to get and what brands are worth the money to buy. I want stuff which I'll be able to record drums and guitars and vocals and stuff like that with. Thanks.

". I don't know the exact dimensions of the room but if I had to guess I would say ..." Well, for the most part, we don't do equipment here. Like what kind of computer, guitar, mics, drums, etc...we leave that to other forums. In this one, John Sayers has developed a forum with pretty much all the information you could need to begin understanding not only how difficult this process will be but helps to get the answers to the difficult questions, no matter how difficult people may think it to me. The best thing I can say is that you will get out of this what you put into it. If the best you can do is have "approximates" and some guesses in an area that requires some pretty exacting information, then the help may not be forth coming in the flood that you are hoping for. In your education for this build I suggest that you give it the proper attention that it is due, not to treat it like it is some magic thing or that you are some how elevated in stature just because you will be learning a few things foreign to you and especially those around you that you are want to impress. Your course in designing a recording room begins now!