I would say that forums are the way to go when getting thousands of impressions, i don't know about their CTR being so good, but look at digital point if you want an example.
Hmmm, you must be doing something wrong if you have to work hard at getting 100 a day. I don't get nearly as much as I want to (yet), but I'm just going to continue doing what I'm doing now and that's advertising my website constantly, when and wherever I can.
May be it is much more interesting to know the secret of automation , autoresponders and stuff... you dont really need to understand why they work , it would be enough to know them : Follow this link, here are some advises when running your oscommerse business. These are not true secrets but very useful services exemple : ://awebercommunications.blogspot.com/