It’s recommended that you clean your gutters after a severe storm, however, regular storms don’t raise the same concerns. Look for signs your gutter might need cleaning after a harsh storm. Do you see broken branches and excessive leaves all over your yard? Chances are your gutters caught quite some debris. Also, ensure a few drying days before cleaning your gutters. Dry debris is much easier to clean.

Yes, there are several downsides to installing rain chains. For one, rain chains have a lower flow capacity than a typical gutter and downspout system. This means that if there is a rainstorm, the rain chain can stop working completely. Rain chains also cannot redirect rainwater away from your house. In homes with a sloped yard, this could cause water damage in your foundation or basement. 

Yes, it is generally considered safe to use a leaf blower to clear debris from gutters as long as you are wearing safety goggles and gloves. It's also necessary to have a gutter extension tool. In cases of severe clogs, it's necessary to manually clear debris that cannot be removed by the pressure of the leaf blower. Homeowners should be aware that the incredible power and speed of the output of a leaf blower can blow debris into downspouts. When this happens, water won't be able to flow through the gutters properly. For this reason, many homeowners hire professional gutter cleaners.

At least twice a year, or more if surrounded by trees.