Here's the best homemade carpet cleaner. Costs like $1 to make! Follow these simple steps to make your own carpet cleaner at home: 1. In a large bucket, mix one scoop of Oxiclean with one gallon of warm water until fully dissolved. 2. Add one cup of white vinegar and one tablespoon of dish soap to the Oxiclean solution. Stir well to combine. 3. Sprinkle a generous amount of baking soda on the carpeted area you intend to clean. This will work to neutralize odors and add a touch of abrasiveness. 4