GO WFP!!!!
But if all else fails, a set of aluminium triple 8's (trade quality) with the top section tapering to a point (A frame) is what I'd buy if I ever wanted ladders ever again.
Buy a decent ladder safety device/stabiliser,... don't take chances.
For the cost of decent ladders, Trad gear and a stabiliser,.... you'd get a backpack WFP system easily.
Cheap RO unit (Off ebay)
Fishing pole
A cheap brush
10 litres of resin
A window cleaning warehouse backpack
A bit of hose and some fittings
and some water barrels,...
That's all you need!!