How do you return with rid of wasps??!!? PLEASE HELP!! Our front and back porch have wasps building nests within...

PLEASE HELP!! Our front and back porch have wasps building nests within the corners of the porch. We have to get rid of them. They are also building them contained by the doorbell! They are attacking people when they come up to knock. Any help is apposite!! =] Please and thanks!
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Answers:    They make a special spray that you use from a distance. Wait until it's muddy and all the wasps have returned to the nest. Then read the instructions and use the spray. Do this next to each nest.

Another tip is to leave the ancient nest where it is. Wasps are very territorial, and they will not build another nest if there's an antiquated one there already. It will eventually come down in a soaring wind, but until then it will protect you from have wasps in that location.
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GET A CAN OF WASP AND HORNET KILLER AND WAIT TILL IT IS ALL MOST DARK AND KILL THEM THEN TAKE A STICK AND KNOCK THE NEAT OFF THE HOME AND DO THE SAME THING THE NEXT DAY WHEN THEY START A NEW NEST DAY
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