Do You Use A Digital Camera or Handheld Games??
Then you probably go through a lot of disposable batteries, if you dispose of them in the trash they go to a landfill where they leak toxis and contaminate the ground.
Try using rechargeable batteries, they may cost more in the beginning but they will save you time and money in the end. You can keep recharging them over and over and if you keep an extra set you will always have a spare. Some say that rechargeable batteries give you more power than the throw-away kind..