For a non-technical marketing user to manage a campaign sending renewal reminders:
Data Filter: Use Data Filters to segment customers based on the expiration date included in the data file. This enables targeting customers 15 days and 7 days before subscription expiration.
Template-based Emails: Implement template-based emails to allow the marketing user to easily update and manage email content without needing technical skills or administrative rights.
Automation Studio: Utilize Automation Studio to schedule and automate the sending of these emails based on the specified criteria, streamlining campaign management.
Reference: Salesforce Marketing Cloud Automation Studio

For a Membership Renewal drip campaign with a master audience updated in real-time:
* Filter Activities: Use Filter Activities to segment the master data extension based on the renewal date criteria-one month prior, one week prior, and on the renewal date.
* Send Activities: Follow each Filter Activity with a Send Activity targeting the specifically filtered audiences, ensuring that each email is sent at the correct time relative to the member's renewal date.

To enable Sales Cloud users to create and send Marketing Cloud emails:
* User Mapping: Ensure there is a one-to-one relationship between Sales Cloud and Marketing Cloud users to facilitate seamless functionality and data consistency.
* Deep Linking: Enable deep linking in Marketing Cloud Connect. This allows Sales Cloud users to access Marketing Cloud features directly from within the Sales Cloud interface, enhancing user experience and efficiency.