I was selling aftermarket wheels on LetGo app and someone said they had an 'uncle' that was interested. They requested I give this (uncle) number a call since the contact had 'issues' sending the link to their uncle. Uncle's name was not given.
Scammer who trolls internet advertisements and tries to get to to ship items, and they'll send you a fake check that will bounce. This is my assumption based on their terrible grammar and strange wording and experience with this type of person before.