10 units @ $15.00 is only 150.00
$50.00 for soap + / -
$30.00 for gas + / -
$40.00 for wear + / - ~Best case you make 60-70 bucks
YOu made $20.00 ....................... If money is tight then you need to consider staying away from pressure washing. Unless of course you love working for nothing.
You can wash his fleet with those cold washers- up-down-prespray ( as mentioned by Larry)