Cloud Kicks is setting up a new instance for Media Cloud and their Sales Reps...

Set the organization wide default (OWD) for the Opportunity object to private. Use sharing rules to share records owned by Sales Reps that are below the Manager in the role hierarchy.

Set the organization wide default (OWD) for the Opportunity object to private. Set up the role hierarchy to ensure Managers can see the records owned by users below them in the role hierarchy.

Set the organization wide default (OWD) for the Opportunity object to public. Filter the reports to show the records owned by users below them in the role hierarchy.

Set the organization wide default (OWD) for the Opportunity object to public. Use Apex Sharing to ensure Manager's can see the records owned by users below them in the role hierarchy.