Depends on the kind of easement . . . there are so many possibilities. To name just a few there are utility easements, right of way, etc. An easement that would allow a power company to drive trucks across your front lawn would be unappealing to buyers. An easement allowing the Sierra Club to use your front yard on the nights that Halley’s comet is visible might not be an issue for most . . . A few more details would help.