If you have a business idea, do the smallest possible next step towards it right away. If you think that you want to start a new social network or something for dog lovers, call up five of your friends that love dogs and ask them what could be better about the social networks they use. If you have an idea for say I want to get into lawyer referrals. Maybe I should call up lawyers and ask them how you can help them out. You really don't need money or some big thing to start a business. It's usually just one step at a time. If you have an idea just, do something. Do something right now about it.