As others have said, market saturation. Coupled with the fact that most folks looking on craigslist are looking for a bargain and are generally looking for a base model. As in options on a car, there is virtually no resale value on upgrades, such as extra storage. Even cellular capability seems to offer only a minor increase in price.
The 32 GB version is currently on the refurb store for $509. I doubt anyone will offer you much more than that, even though double the storage, because you are an unknown entity versus buying from a legitimate source.
The 32 GB version is currently on the refurb store for $509. I doubt anyone will offer you much more than that, even though double the storage, because you are an unknown entity versus buying from a legitimate source.