Definitely speak to a local business attorney and accountant about your options (and whether an LLC as an entity is the right one for what you want to do). From a business perspective, however, tread carefully when trying to pursue multiple activities under one "roof," as it were. You want to be sure that all of the owners agree on the time, money and effort it will take to bring each one to fruition.
Nina L. Kaufman, Esq. is an award-winning New York City attorney, edutainer and author. Under her Ask The Business Lawyer brand, she reaches thousands of entrepreneurs and small business owners with her legal services, professional speaking, information products, and LexAppeal weekly ezine. She also writes the Making It Legal blog.