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LOL, you should live here. The rain brings down so much iron oxide and dust that the car is instantly mucky again.
And drying it uses the iron oxide as a nice abrasive.......
My neighbour does this and doesn't rinse or dry the car.
The rain does it for him. His cars (black) are always shiny but I haven't inspected them from close to see if they have any swirls.
Would recommend immediately after your wash stage to use on the windows something like Auto Glym Hi-Tech Flexi Blade and then for the bodywork use a plush towel. This means that you will minimise any swirl marks left on the bodywork.
Once the car is dried all over, probably go over it with a quick detailer and a good micro fibre cloth