it really depends on the kind of business you are looking to get into but in general you need to sit down and really plan it out and then see how much money you have to put into it and what kind of potential money you can make out of it. just takes careful planning and knowing that it wont happen in 1 day.
Online businesses are really easy to start and get going. It's maintaining the value, customers that's hard but if you work hard you'll get there. Set yourself big goals for it and advertise it. Look online for tips as well, the internet's full of tips for this.
one of my cousins business is about repairing and maintaining elevators as well as escalators.. This business is so good that they have actually supplied Visayas and Luzon (Philippines)..Their name is ELEVATION SPECIALISTS INC. it is actually a HUGE business, but it started SMALL. hope you have learned something about my couzins business!