To provide a comprehensive answer, I need more context. Please specify what "preparation" refers to. For example, are you asking about:

• Preparing for a specific event? (e.g., a wedding, a conference, a trip)
• Preparing for a test or exam?
• Preparing a particular dish or recipe?
• Preparing a project or presentation?
• Preparing for a potential disaster?
• Preparing to move?

Once I know the subject of the preparation, I can list the steps that might be required and what tasks may remain.