One of my tips would be don’t do it. People on Twitter hate spammers so why would you want to become one of them. I think anyone trying to market a product just so they can make some cash off of it is a Twitter spammer. I thought most of us talked about at this would be bad for Twitter and a Twitter would have to start suspending people to stop it.
I specifically asked Dave Cotter, from Amazon, about this phenomenon. His answer was rather encouraging because he said you cannot control what people do with your links. He said if a link goes viral, you the affiliate marketer should be rewarded for something you created being distributed in such a fashion. As long as the viral activity follows the guidelines of Amazon’s affiliate program, which is outlined above, you can expect to receive credit for all referrals.
The online lead generation is a multi-billion dollar industry. Done right it can be far more profitable than many imagine. Everyone that I know that is in the business and knows what they are doing, for the most part, does 6-7 figures. While that's a huge range, much comes to one's ability to scale and effectively build / manage the infrastructure needed to scale.