Why you should hire a Licensed Real Estate Broker in buying a certain property?

Why you should hire a Real Estate Broker in buying a certain property?  

1. They know the pros and cons in buying or selling property.

2. You can trust them your property to buy or sell whether it's foreclosed, under developer or
for sale by the individual or corporation. 

3. They do due dilligence the property and identify them.

Here below the video is the effect if you don't consult or hear an advise from a knowledgeable Licensed Real Estate Broker.