How To Select Your Blog Niche

How to select your blog niche for effective earning with adsense and other affiliate programs?
This question is the base of your earning in world of affiliates, so be careful in handling this question/issue. In this article I'll try to share what I've to help you solving this issue.
If you know what you're extremely passionate about, your 90% problem is solved because your "passion is what you ca earn from". That's it. You found your answer for above question; just blog about your passion because its the thing about which you can write without hesitation but with flow. Just write at-least one article about your passion on your blog and do it regularly, you're on your way to success.
But what if you don't know about your passion?
That some sort of critical problem but, it can be solved easily if you you're persistant. I cannot tell your passion because its only you who can determine that, but what I can do is to lead you to the way to find your passion.
First Step:
First step you can take is to observe your daily routine. Do it carefully.
Second Step:
Daily list what you did in the following whole day. Do it at-least for 6 days.
Third Step:
On the 7th day, place the lists of past 6 days and start writing-down the task you did persistently without any absent in that task.
Result:
That task which is common in all the lists is your passion.

Note:

• You can increase the days of observation for accurate results.
• It may take you even 3 months to get the results.

If you did all above steps accurately, you should have found the answer to the question mentioned on the top. Now blog about your passion and increase your revenue.