I am going to grow my own lettuce as well. I have heard that it does not require a lot of space, and baby greens are so delicious and easier to grow on a continual basis.
Check out this short video that shows how easily lettuce can be grown: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-K4nlJ2u248k.html I plan to try this soon.