What topic to choose for blogging?

Ever wondered what topic to choose for blogging? Here are few ideas:

Retirement
Natural Living/Green Living

 Success
Business (Small / Home)
Career and Jobs
Men’s Issues
Shopping
Aging / Senior Interests
Time Management
Computer (Hardware)
Sexuality
Automotive
Travel and Leisure
Politics
Beauty (Skincare / Haircare)
Motivational
Interior Decorating
Communication
Hobbies
Public Speaking
Relationships
Antiques and Collectibles
Baby and Child
Self Improvement / Help
Education
Arts and Crafts
Home Repair / Improvement
Home and Family
Business (Opportunities)
Computer (Software)
Parenting
Writing
Coaching and Consulting
Cooking
Wellness and Remedies
Home Schooling
Non-Profit and Fundraising
Investing and Finance
Religion (Christianity)
Business (Auctions)
Disease and Illness
Romance
Internet
Computers and Technology
Cancer Survival / Support
Women’s Issues
Retail Businesses
Dating
Business (Internet)
Pets
Real Estate
Outdoors
Sales and Marketing
Photography
Business (General)
Stock Market
Recreation and Sports
Fashion
Kids and Teens
Sports (Golf, Tennis, Football etc)
Consumer Protection
Wedding and Marriage
Leadership
Health and Fitness

It is said that money are almost in every niche. The only difference between particular niches is the amount of money that it could generate. For instance, financial niches are very lucrative but also incredible popular and competetive. It is much easier to target less competetive niches but decision is always yours. It is always better at the beginning to choose blogging topic that covers your interests.