When writing a paper, each paragraph should include a topic  sentence and several supporting sentences. Start with the strongest  topic and make each of the following paragr â¦ aphs one of the weaker  points. End the paper with a strong conclusion, summing up the  paper. 2 people found this useful.
Typical costs: 1  Renting a power washer can cost anywhere from $40-$75 a day, depending on your location and the quality of the equipment. 2  Buying a basic residential pressure washer with an electric motor starts around $70-$200, depending on size and capacity.
Gas-Powered Pressure Washers. In contrast, gas washers can deliver more than 3,000 psi and are good for cleaning siding, decks and concrete. They can be rented and bought and have accessories added onto them like chemical injectors and longer spray wands. Its estimated they cost anywhere from $300 to $800.