ive used trad poles for years bob on first floor windows!i still use it on a couple of cottages on a canal bank.(hard to access even with the trolley!)
you can do an adequate job IMO.
DRY MICROFIBRE IN A CLAMP FOR DETAILING.
GOOD RUBBER ON YA BLADE.
ive had years of practice!i even clean a old wooden georgian house with just a damp microfibre in a clamp on a pole!easy to clean if done every month.
i WFP nearly everything now top and bottoms but its good to know i have ALL the tools in my locker!!