I'd recommend that you use a tracking link (Click/Counter Tracker, AdTrackZ or DynaTracker) for ezine ads, that way you'll get an idea if the ad was successful, how many people clicked, and whether it's worth doing again.
Related Resources:
Directory Of Ezines This is a directory of ezines that has been going since 1998.
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the success of the business. You may make more or less than any sample
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All business involves risk, and many businesses do not succeed.
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individual or business is typical, or that any results or experiences
achieved by any particular individual/business is necessarily typical.