The leak: Subscribing to both costs at least $175 a year.
The plug: They each offer online streaming of movies and TV shows, but Amazon Prime also includes two-day shipping and free e-book loans.
If you order from Amazon even occasionally, Prime, at $79 a year, is the better deal.
NEXT: High-priced organic food
Plug those small expenses that add up over time. See which of these money leaks apply to you and start saving hundreds - or even thousands -- a year.