Often when I am using the Adwords Keyword tool I find keywords with a CPC of $0.05... I mean VERY often. Is this like base level when it comes to PPC or is this a possible error? For example, with a ...
If I have a list of 100 keywords that are candidates for a PPC campaign (my list is actually 1000+). What is the best approach to narrowing this down to the top 5-10 keywords I should start with? ...