https://community.kaplan.com/cert-prep-community/discussion/18590/what-part-of-the-cdl-process-feels-like-the-biggest-challenge-right-now2026-07-21T19:05:53+00:00 https://community.kaplan.com/cert-prep-community/discussion/18589/welcome-to-the-cdl-license-prep-community2026-07-21T18:57:56+00:00