Overture’s Bid Tool
People have been using this to estimate keywords to use for Adsense for quite some time. This applies to Chitika as well. While I recommend you do a bit of the hard searching yourself, this will give you a good idea of where to begin.
Sometimes the highest paying keywords aren’t the most expensive [...]

As outlined in this post Automatically set a new channel for each Chitika keyword
You can also set it to add a extra information to the channel as well. This will produce 1 channel for each keyword and allow you to add location too.
ch_sid = ch_query + ‘bottom’ + ‘index’;

It’s quite simple, if for example [...]

This is perfectly fine, as long as it’s not in the form of a pop-up or any other location that obscures site navigation and violates the Terms of Service on ad placement.

Alternate URLs have been released within Chitika. With this feature Chitika will display your alternative ad when a visitor is from a non-eligible location (i.e. 3rd world country).
You can set it by building the Chitika eMiniMalls through the Chitika website.
If you’ve already produced your code you can easily add it in.
For existing users who have [...]

This is definetly a myth. At the moment Chitika has no algorithms that affect your account in the way that Google’s Smart Pricing does.
Excessive clicks from the same IP in a short period of time and your own clicks are discounted through auditing, but poorly converting sites are not penalized.