What is the most effiecient and safiest way to clean gutters on a two story house. The second story is about 28 ft from the ground and the roof is steep? Is there any suggestions? There is also (2) spout's that the owner said are stopped up, best way to unstop the spout? There is probably 200 ft. of gutters and must remove gutter guard also. What is the best gutter guard and easiest to install?