You need to read. And when you are done then read some more. And then some more. And then ask questions. Not trying to flame you or be rude. Just some straight advice.

See the link in my signature as a good place to get started. Noob guide to grow room setup.

It sounds like you could accomplish your goals with a pre-built tent. You can pick one up for ~$125. Sheets, boards, etc. will not cut it.

Good luck!