How many keywords I should have?
     In this regard it is difficult to give a clear answer because too few keywords for a PPC campaign will make the campaign fail. The more keywords you have then the harder will be to make an opinion regarding on how to improve your PPC campaign.
If you have too many keywords you should organize your time very well because you’ll have a lot to optimize based on the results produced by each keyword individually.

How much you pay for a PPC campaign and how much you pay for each click?
     This depends very much on you and on the results that you want to accomplish with this  PPC campaign.CPC (cost per click) can vary from a few cents to larger amounts like $ 15 but this depends very much on the keywords that you have and their popularity on search engines.

What search engines are wise to start a PPC campaign?
     The most widely used search engines that provide PPC campaigns are Google, Yahoo and Bing but there are other such as AOL and Ask where you can start a PPC campaign. Besides these search engines there are many other less famous search engine that will provide services for PPC campaigns.
If you want a PPC campaign on a search engine then you should know that generally the costs can vary depending on each platform and depending on what you want to accomplish with that PPC campaign.

How do I determine which keywords should I use?
     Before starting a PPC campaign you have to do a thorough market research to make a clearer opinion about the keywords you need to use on your campaign. After you decide and start PPC campaign is easy to delete the keywords that doesn’t bring to many visitors for your business and you can always add new ones that you can watch a period of time to see if the results are good or not.

What is the clicks fraud?
     It can happen to pay for clicks that you do not want them. Anytime someone can make you some bad things and can click several times on your ads. It is a risk you must assume when you start a PPC campaign. The best way to watch out for fraud if you start a PPC campaign is to give greater attention to IP addresses from which your ads receive their clicks and if you have to many clicks from the same IP is indicated to announce the support team of the search engine where you have the PPC campaign and is likely that the problem will be solved.

What is the most important thing to know before starting a PPC campaign?
     Always is good to be organized in what you do and that's why when you start a PPC campaign is better to make those settings that can facilitate your work and be very patient with your hard work.