This is dependent on the type of equipment selected and the complexity of the installation.  A rough 'rule of thumb' would be, for a residential setting, with one lounge machine and two bedrooms, the installation would be complete in one day.

All purpose cleaners are products specifically designed to clean glass, wood, plastic, tile, and practically any other surface you could imagine. A good all-purpose cleaner can save you both money and storage space by combining all these functions into one bottle. The top ones include: Dr. Bronner's Sal Suds Liquid Cleanser Spic and Span Cinch Glas

indeed.com, simplyhired.com, glassdoor.com, and ziprecruiter.comn are some websites which post maximum number of gutter cleaning jobs across different states.