This seems like a lot of work, but it is not — particularly if you have an electric juicer.

Lemonade

Simple Syrup

1 cup sugar : 1 cup water

Add sugar to water in a saucepan over medium heat. Stir occasionally until sugar is completely melted.

Lemonade

1 cup fresh lemon juice
3 cups water
1/2 cup simple syrup

Add water and simple syrup to lemon juice.  Stir.  Add additional syrup to taste.  Serve over ice.