You can get advice of the internet some you have to pay for and some you can get for free.
Public Domains are a place where you can go to get free advice for your targeted keywords and you can learn a lot off public domains.
If your going to use this public site you will need a lot of patients to browse for the information you need but it will be there.
Another place you can go is Article Directories, you can search on these sites for money-making keywords that you can use on your own site.
A lot of ideas are out there and many expert marketers will share their ideas too, take advantage of what they are offering you in free advice.
There is also a lot of books published on the web today that has the relevant information about keyword research and what to look for when choosing keywords to use on your own website.
If you know how to get around sites like face book, squidoo, del.icio.us and digg, you can gather great information from these sort of sites as well.
All this will take you time of course but it will be free and you wont' have to pay for this information.
Visit some blog directories to find out which are the most popular and the most relevant to the information that your looking for.
Search for keywords that are targeted to your web page. You can see the meta tags in every web page that you visit look for keywords there that you can use too.
Online Marketing forums can help you too, these will give you good advice on how to look for good keywords profitable keywords.
You can use different techniques in which you can learn keep hanging around places like this and you will gather a lot of useful information that will be very helpful to you in the future.
Its like the rabbit without the hat, the same things apply to a website without any knowledge.
Get the knowledge first and then reap the rewards later. Don't' forget learn everything you can before you start applying what you have learned.
Summary: Free resources are ready available on the internet today you should use these free resources to your advantage and put into practice what you have learned from other places too. You will soon find yourself in a profitable situation soon enough.
