Test with Adwords, Then Make Money with Twitter? Wrong!
I used to think: Write a sales page, drive Google Adwords traffic, test it. With a decent conversion rate, start to drive serious traffic from social media, banner ads, etc. This is, what happened:

Signup rate from people coming from my blog: 15%
Signup rate from people coming from [...]

Making money in direct marketing (online or offline) follows a clear sequence of actions:

Traffic Generation: You need to get visitors to your website, and lots of them.
Initial Sale: To receive money, you need to gain trust of your audience. The willingness to give you money for a promised product is certainly an expression of trust. [...]