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.
Water: according to Elements, a professional pressure washer of 1500 PSI uses approximately 10-15 gallons per minute. The American Water Works Association places the price of 1000 gallons of water at $1.50, placing the estimated cost at $2.40-$8.10.