Final answer:
Post-project completion involves communicating results, tying up loose ends, and ensuring stakeholder buy-in to ensure the project's success and maintain strong relationships for future collaborations.
Step-by-step explanation:
Even though the project is complete and delivered to the user/customer, it is still important to communicate results, tie up loose ends, and ensure buy-in from all stakeholders. Documenting and communicating the outcomes of the project helps in ensuring transparency and facilitates learning for future projects. It is also vital to address any residual issues to ensure that the project truly meets the needs of clients and does not leave any problems for them or the team to deal with later. Ensuring buy-in is crucial for the project's success and helps in maintaining good relationships with stakeholders, which can be beneficial for future collaborations.