Cultivating cannabis at home can be challenging. But with some practice and attention to the specific growing needs of the strain, you can produce your own medical cannabis indoors. Reddit has several forums for novice growers with great advice from experienced cultivators.
It is a lot of work to home-grow cannabis. But once you have set-up your equipment and understand the growth methods, you will be successful. Remember to check with your state marijuana laws regarding how many ounces of home-grown cannabis you are permitted to possess. Know your limit (and stay within it) to avoid problems and happy growing!