Power washing is a great way to remove grease, grime, and mildew from your property. Power washing is an inexpensive way to freshen up your exterior property. Most power washers can be purchased for under $500. You can also rent power washers for under $200 a day. When power washing delicate surfaces such as wood or vinyl, make sure that your spray tips are appropriate for the application. Using the wrong tips can cause damage to the surfaces that you are trying to clean. Wider fan tips will also allow for a quicker and more uniform washing.