Tips or Tweaks for controlling when a daily ConfigSource runs?

The old-fashioned way to do this would be to run it using cron (wrapped in a job monitor wrapper) You wouldn't have the diff (unless you saved the diff-able output in a file with its own configsource) but it would happen when you want it to. 
https://www.logicmonitor.com/support/logicmodules/batchjobs/setting-up-batchjob-monitoring/batchjobs