Do you have a great business idea nut not a lot of overhead? You should consider having aan online business of some kind. Do you want to make chocolates? Start an online store. Do you write for non profits? Advertise your services all over the internet.
No matter what your business is, you will benefit from internet marketing. This includes starting a website, a blog, a newsletter, networking online, etc. Your best bet is to come up with a marketing plan where you list your goals and all the different ways you will market your business.