What is the disadvantages of PPC?

Dear all,

please tell me the disadvantages of PPC.

 

disvantages no idea

 

The disadvantage that most see and why most don't use PPC is the cost.Another disadvantage is learning and applying the system

 

Thanks all of you for giving such useful advice.

 

Its quite expensive depends upon your site but good way to promote website in min time.

 

PPC can be expensive, and typically the most desirable keywords that drive the most traffic are the ones with the highest cost per click.