Plus regardless of what you are selling, you need ample knowledge of the products and / or services that you are trying to sell.
Some people opt for setting up an independent business around their products or services; for example, writing an eBook on their area of expertise, say selling on eBay, and then offering eBay consulting services.
A lot of people have also opted for home business techniques that include outsourcing where they have good help working for them and have done fine.
This is especially true for beginners who may work a regular job full time or part time and not have time or energy to do everything.
There is a lot of money that can be made on the Internet; all you need to do is figure out what can work well for you, for your budget, your time, your skill set.
The best options though may seem difficult to find, sorting through all the offers out there on the web today, so: 1) Do your homework.
Print out info on ideas that sound good and start a notebook on them.
Include reviews, pricing, communications to see how the companies respond, product samples, etc.
2) Seek a trail time period to test the business and see what you think.
No matter what line of work or whatever Internet business model you choose, make sure it's the best one for you.
Take ample time in planning, practicing and generating a unique style in promoting your product.
Do not rush as there is always enough time to get going with the business you will have enough thanks saved for me when you do well in it.