Last a long time in outdoor conditions
Be very reasonable priced
Look really professional and compliment the structure
Protect the structure in outdoor conditions
Not be harmful
My proprietary mix will last 3x longer than anything in the stores.
My prices to come seal/stain your fence starts at per square foot: $.10 to bleach it and $.35 to seal it and stain it for side by side style fences and a little extra fro board on board styles.
My customers really love the color as well as the look of the wood when it is complete.
I go back every 4 years or so and most of the fence does not need to be reapplied except the sides facing the south or west.