Pour a can of Coca-Cola into the toilet bowl,  Let the "real thing"sit for one hour, then flush clean

The citric acid in Coke removes stains from vitreous china.

To remove rust spots from chrome car bumpers:  Rub the bumper with a crumpled-up piece of Reynolds Wrap  aluminum foil dipped in Coca Cola.

To clean corrosion from car battery terminals: Pour a can of  Coca-Cola over the terminals to bubble away the corrosion.

To loosen a rusted bolt: Applying a cloth soaked in Coca-Cola to the rusted bolt for several minutes.

To remove grease from clothes: Empty a can of  Coke into a load of greasy clothes, add detergent, and run through a regular cycle. The Coca-Cola will help loosen grease stains.

It will also clean road haze from your  windshield.