Time and time again I see the same questions and misconceptions come up again and again regarding keyword research.

Keyword research is like building the foundations for your house. Get it wrong and the whole house can come tumbling down.

So let's look at what the biggest mistakes are.

Most people use Google Adwords Keyword Tool to start their research and it is a good place to start, so long as you use it properly.

The most common error by far...