AdWords is an excellent supplement for other off and online marketing strategies. However, just spending a lot of money on it is not a guarantee of getting the desired results. If you cannot get a good return on the investment you have made on AdWords by yourself, you should consider hiring a professional PPC agency to handle it for you. It would help if you asked yourself these questions, work for the best results, and learn as much as you can. By doing this, you will begin to enjoy a good return on your investment.