Finding the right keywords to be utilized with your micro niche website is one of the very important factors to consider so as to reach the target market of your niche. As you can see, there are already lots of established website using the niche you will be milking on, but you can still make money out from the micro niche if given the right keywords to be used.
If you cannot afford to buy such keyword research tool, you will go on manually. This might take a even a week of researching each keywords in consonance with its competition not only on search engines but also to social sites where you can get real visitors to you website. For you to be reach by your target market, of course, the normal website promotion should be applied using the keyword you have researched.
Better yet, login to google keyword tool and search the long tail keywords to be used. In there, you will also the approximate competition. Again, I would like to reiterate you avoid using those keywords with high competition as is. I you decide to use those keywords, better yet, attached another before of after the main keyword so as to make it a long tail keyword. This mean you are still targeting the main keyword plus the tail which will make to jump up the search engines.
Just make sure those words you will be connecting to the main are words which are being connected by internet surfers too. When this happen, your micro niche website will the first to appear in the search result. Of course, you need to be aware the number of time these long tail keywords are written in the website. This is to avoid the search engine particularly google that you are not spamming that particular keyword. Check all possible resources before doing so to avoid uncertainties in the future.