If you know the business then you can perform it and capture the success. If you don't know it you can outsource it some one mastered in that and capture the success. This has been the trend in the online marketing industry in the recent years.
You will not be the best in all strategies on online marketing. But if you can manage all the things related to the outsourcing the works then it is very easy to reach the top of the search engine. Really it may create a tension in the air, if you have a lot of works performed by different outsourcing agencies.
With precision and care if you perform your online marketing works then it will be easy for you to create a name in the entire internet marketing industry. There are many companies who are expert in each area of online marketing. You can contact them for your works also, provided you can valuate and monitor them regularly.
Outsourcing your works does not mean that you can leave it all along with the company. It is your responsibility to check whether they are performing according to your directions and also the rules of the search engine. It is more important to follow the rules of the search engine while performing the online works. You may be banned from the search engine if you violate their terms and conditions. White techniques or ethical techniques are to be only followed while performing all the marketing works in the internet. It is your duty to make sure the company which you are outsourcing your works are performing only the ethical works.