Hi @Erie Burkland job searching right now is no joke so I'm sending you positive vibes on your journey.
I've heard similar feedback from my coaching clients and feel that based on your message these articles will help you gain clarity and confidence for your next interview.
3 Ways to land a Customer Success Role without prior experience (or in your case "not enough"):
https://www.linkedin.com/pulse/3-ways-land-customer-success-role-without-prior-sesniak-m-ed-/
3 Books to Bring Clarity During Your Quarantine Job Search:
https://www.linkedin.com/pulse/3-books-bring-clarity-your-quarantine-job-search-sesniak-m-ed-/