First of all 28 grams (one ounce) is not very difficult to get from a single plant. You can do it. NP. You can do it with cfls only. You have to read up on the proper growing techniques with cfl...but all of the information is on this site. Look twice before asking as probably it's been asked before and somebody took their time and wrote out a really good answer. Read the stickies in the cfl sub forum on this site. Absolutely order feminized seeds. I would recommend a safe strain. One that will be easy to grow, inexpensive and low in odor while growing. That strain is Nirvana's Northern Lights. Here is a link to the exact strain that I feel would be wise for you to start with. http://www.nirvana-shop.com/en/indo...nt you should yield at least a ounce maybe 2.