If you want to drive highly targeted traffic to your website PPC(pay per click) is probably best solution for that. PPC is very popular these days. For those who do not know nothing about PPC it is a form of Internet marketing in which your ads appear on the search engine when people search for keyword you aimed. So when someone clicks on your ads you pay for that click. If the keyword you are aiming is very competitive you will pay higher price for one click. Some people pay 5$ or more for just one click.
Many people are earning for their living through AdSense but on the other side many people lose large amounts of money so you got to be careful if you are planning to run such a campaign. There are many different possibilities so you have to know something about PPC. If you know what you are doing pay per click can be very affordable.
There are few general tips you have to know before running a campaign.
You should avoid bidding on general type keywords because if you are trying to sell or promote something these types of keywords will not help you. You need to specify and bid on long tail keywords because they are cheaper and you will get aimed visitors. You can get on the first page, get aimed visitors and all that for pennies, just do a search.
But there is also a risk in PPC advertising. Your competitors may click on your ads in purpose and rack up your costs. If you notice that you can report it to Google and you will get a refund. Google actively fights against that type of frauds.
Your ads should include keyword in title and in description to be relevant. You will get higher quality score for your ads. Quality score of your ads may determine success or failure of your ads and it can also lower the price of a click.
Click through ads are also very important. CTR counts number of clicks per number of ad placements. CTR can also lower your price per click.
If you follow these simple tips and read more about PPC advertising and Google AdWords you can easily earn some money.