I have gathered these niches in my journey of 5 years in IM. You wont find these niches/micro-niches on Clickbank or any other place you look for in search of new niches. Custody Of Child how to pay for a wedding how to lose weight for wedding how to lose pregnancy weight no sex in marriage is my boyfriend cheating how to last longer in bed insomnia treatment lose weight at 40 how to deal with tantrums how to deal with in laws teach children to read how to deal with boss long distance relationship advice how to lose your man boobs how do I get him to propose survival courses how to get over an affair how to save a marriage exercises for bigger butt You can go ahead and check these phrases (or related phrases) on Google Keywords tool, and than check their competition on Google, you will be amazed with the results. Now go on, and build your next site/blog .
Only thing I would say is... some of these seem like they don't have THAT much mileage in. I know people's interest in seeking out advice and help in them does, but how long could you really keep a blog going on 'how to pay for a wedding'?... Seems like more of an article or a few articles, rather than a subject for an entire blog. You'd run out of steam, no? Seems more like it would be better to build a financial advice blog. These are certainly good topics to write articles or build sections on though.