Dorm Room Biz is a great resource for how to start a business from a dorm room or any place really.
Resource for young student entrepreneurs to learn from and gain information about launching their own business from a dorm room or similar location while in college. Young entrepreneurs have the most freedom while in college and it is the perfect time to start a business!
They have a blog post about starting a business from notes you make on toilet paper.
And they are having a cool contest.