The more involved the edit, the fewer pages an editor can complete per hour, and the more your project will cost. Depending on their level of experience and the level of edit required, an editor may charge anywhere from $15/hour to $100+/hour. A side note about the level of edit required: I have found the level of edit required can occasionally be a touchy subject with writers.
'Oldest living thing on earth' discovered. Ancient patches of a giant seagrass in the Mediterranean Sea are now considered the oldest living organism on Earth after scientists dated them as up to 200,000 years old. Scientists say a patch of ancient seagrass in the Mediterranean is up to 200,000 years old Photo: Getty Images. By Jonathan Pearlman, Sydney.
The oldest living things in the world revealed: Stunning new pictures of the 2,000 year old shrub, the 5,000 year old moss and the 9,550 year old spruce. Artist Rachel Sussman spent a decade tracking down the oldest living organisms.