Shingles have a lower initial cost.
Shed roof advantages and disadvantages.
A simple roof to construct but slightly more expensive than the skillion due to the lower slope needing waterproofing.
In the past people used shed roofs exclusively for their garden sheds and garages.
Since a shed roof generally has a much steeper slope it usually lets the water roll right down it and over the edge.
A basic roofing design with only one slope is easier and less time consuming to work on for contractors and this translates into lower roofing construction costs.
Granted they also get damaged more easily.
At bylers architectural shingles are standard on all sheds and are included in the price of a building.
If they get damaged shingles are considerably easier to repair than metal.
It has a lower profile than the skillion or gable so may be more suitable to some neighborhoods.
It does shed rain and snow shed more easily with the greater slope.
A metal roof is a 100 upgrade easy to repair.