Self Sustaining Income on the Internet

All you need is good business idea for the Internet and you will be joining and working other businesses involved in the property, travel, holiday, tourism, marketing, advertising, dating and a myriad of other industries with a unique opportunity to advertise across a growing number of Internet sites.

Tools of the (e)TradeDepending on your site's purpose in life, you may need few or many tools in order to make your online business venture work. First, ask yourself these questions:

Are you going to design your site yourself? If so, you'll need:

experience and /or training in Web design (unless you go with the template or wizard-based tools that many all-inclusive services offer)
a good computer with plenty of RAM (128 Mb and up) and hard drive space (6 GB minimum)
web design software -- either WYSIWYG (what you see is what you get) or a text editor (if you know html)
a scanner or digital camera -- for product or service photos
image editing software
illustration software to create graphics
FTP software for uploading files to your Web site
Are you going to sell products from your site? If so, you'll need:
a merchant account -- or some way to accept payments
shopping cart software -- or some other way for shoppers to enter and keep up with their orders
secure servers if you're accepting credit card payment or other personal payment information online
software (or other process) to keep track of inventory and orders
Do you have a large number of products or services that need listing on your Web site?If so, you'll need:
a database of product names, descriptions, pricing, and photos
a system for establishing product numbers
a system for inventory management
technical know-how in incorporating the database into your Web site
Does your product or service require sound, video or animations?If so, you'll need:
equipment to capture video and/or audio
software for editing your video and/or audio clips
software (and training) to create animations
a broad-band Internet connection (helpful, but not absolutely necessary)
or, a resource to whom you can farm these out Regardless of how you answered the above questions, you'll need a computer with a good Internet connection for e-mailing and maintaining your site.

original from howstuffworks.com you can continue here:
http://money.howstuffworks.com/online-biz-do-it2.htm

This too is good link to building a digital venture on the cheap
http://www.pcworld.com/businesscenter/article/153311-2/how_to_start_an_online_business_for_100.html