Just saw a decent Reaper template and workflow series put out at sonar works. You might get some productivity ideas from it:

• Part 1 - https://www.sonarworks.com/soundid-...g-with-templates-plus-a-session-changing-tip/
• Part 2 - https://www.sonarworks.com/soundid-...templates-a-session-changing-workflow-inside/
• Part 3 - https://www.sonarworks.com/soundid-reference/blog/learn/reaper-routing-tracks-in-a-mix-template/