My Missis has been doing it for years.
I keep on suggesting that she goes and finds a 'proper job', but the terms and conditions are just to good for her working with me.
She's got me over a barrel.
With all these new-fangled lightweight poles, there's no reason why women can't do this job; and as has been previously noted, customers like it. Women are generally non-threatening, unlike some of the shaven-headed and heavily tattooed Neanderthals that you often see lugging ladders about; scraping their knuckles along the ground with their free hand.
When we're approached for a quote, people generally approach Wor Lass for some reason.