Couple questions:

[RobbNj]

If I were to grow in my basement, what kind of ventilation system should I use?
How much room should i give each plant?

[tinytoon]

you should really go to the growroom setup section for this question, u get more answers there
http://boards.cannabis.com/indoor-growing/132514-noobs-guide-growroom-set-up-work-progress.html