Insane. $2.50 for 4 min. And believe me, the fastest 4 min of your life. When you switch from one setting to another it takes so long that you pretty much don't have time to use anything. I spent $13 rushing around my truck to get it clean. The "pressure soap", haha good luck getting any soap out of that. The triple foam took so long to start putting out foam, I had to out money back into the machine in order to soap up the truck. Insane!