Last week, sign-wavers appeared at a weedy highway margin along Main Street. However, the signs were not political; rather, they were intended to draw attention to the drivers in passing vehicles, informing them that the Family Dollar Store was closing and that customers could receive up to 30% off all their purchases. The closure ends a sevÂen-year competition that started in 2018 when Dollar GenÂeral (the store to the west) built a competing discount store next to the existing Family Dollar that had opened five years earlier in 2013. When Family Dollar first arrived in town, it caught many locals off guard, as it had been assumed that such discount stores would never have an interest in a place as small as Custer County, which…