Take 5: A Roundup of Reads From Around the Web

This week: How you’re killing your buying power, why you may not want to date an entrepreneur, why your cable bill is too high, how you can hurt yourself on social media and how to change an interviewer’s mind.

10 Strategies to Save Big Bucks on Amazon

If you shop the world’s largest online mall, you need to learn a few tricks that can save you 10 percent or more on every Amazon purchase. Added bonus: Get free two-day shipping for the holidays and free HBO for a month.