Many have tried but few succeeded. That is the starting idea. If you look for a fast ascension this is not the place or maybe it is if you are little genius. Is not that I am an pessimist individual, but I am in touch with the online reality.
So what should youexpectfrom starting an online business is to spend a lot of time to research you market niche. One other thing and really important for your budget is that your are going to spend more money then earning in the first mouths. Don'texpectmuch profit in the first six mouths. Every business has a cost to build and to maintain.
One other expect and an important one is that you will have to resist at least one year in this business to be able to come to an conclusion, go on or quit.
Let us say that you already know the rules of the marketing, be prepared to spend a lot of time in front of the computer learning and testing. The best thing that you could do from all this time consuming activity is to learn from your own mistakes and from other as a madder of fact. Deep search is the key. Try to get as much information as possible and go implementing in your own business. There will be mistakes and failures along the way, but don't get disappointed, think that sun comes after the rain. Be optimistic and you will make it. Everybody likes the idea of making an easy dollar. There are thousand of E-Books that will teach you how to make your first online dollar. Don't trust anyone that will come to you and say: Hey I am going to teach you how to make 1000 dollars a day in just 7 days course. No, it actually not that simple.