benefits of being a window cleaner

Hi everyone I am a new member from Iran and I am new in this profession and I am not sure which method is better traditional or modern? I saw these window cleaning equipment here but I am not sure how practical they are and if working with them is easy or not

How to start a window cleaning business. Starting a window cleaning round/business As with setting up any business, it can be a mixture of excitement and utter stress. The key is proper planning and realistic expectations. Starting a window cleaning business is certainly a great choice as a...