Tip #8: Who needs windex?

This tip comes from my husband! He washed windows when he was younger and found that dissolving powder dish washing detergent (for your dishwasher) in some water does an amazing job at cleaning windows. It's way cheaper than buying windex and I think it does a better job at cleaning. It doesn't leave streaks either! We use the Kirkland brand from Costco, but it should work with any powder/crystal detergent.