Rain gutters that run at the base of roofs do more than save passers-by from being soaked to the skin. By channeling water away from the house's foundation, they lessen the possibility of a flooded basement or damaged siding. Furthermore, they protect the costly landscape from erosion and damage. 

Select The Most Appropriate Gutters For Your Home

People who want to preserve water can also direct gutter overflow into a rain barrel, which can be utilized as a garden reservoir.

Source : https://www.moringutter.com/how-to-select-the-most-appropriate-gutters-for-your-home