Make the most money washing windows

Make the most money washing windows by simply focusing on squeegee channel size and pattern used.
Most common mistake window cleaners make is over fanning, over using a small channel with inefficient small strokes and repeated twists and turns which looks cool but increases time per window, possibility of leaving hacks and adds more motion and stress on wrists and shoulders.
Work smarter by choosing appropriate squeegee size to increase success.
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