Had to clean my school today inside & out. Inside some windows are high. Came up with an idea. Bought a cheap mop with a sponge on the end. Got a window micro fibre & saftey pinned it round the mop. Sprayed a bit of astonish tile & window cleaner on it & cleaned the windows. They came out gleaming. Didn't even have to buff em. Mop was £2 & cloth was a pound. It's telescopic & don't reach that high but was perfect for what I wanted. Cheap way of doing it.