Originally Posted by KRL

Because you can't do it all.

Some people are more creative than others.

Some have superior content to offer the surfers.

Some have better credibility in the market place. Often people don't buy something until they've seen it all over the place and viewed samples.

Some have more enticing designs.

Sometimes its easier and more profitable to be a marketer vs. a program owner and all the hassles involved.

Sometimes its better to have lots of things to offer surfers vs. just a few of your own.

etc. etc. etc.