A great way to get started if you're looking to build expertise in AI / automation:
Find an organization meaningful to you where you can volunteer - could be your kids' school, a local nonprofit, etc.
They likely have a convoluted spreadsheet workflow that someone manages manually with very specific steps / logic.
Learn the workflow, take careful notes. Use Claude / Codex to build out an automation spec.
Then, build the automation with your LLM of choice. Structure it like a professional software project: full test suite, error handling, etc.
Take careful steps to make the organization's work easier, not harder. Your job is not to create makework / complex tech debt for them. Future-proof as best as possible.
When you're done, you've created something that will save meaningful time (for people who are probably already stretched thin) and you'll have a tangible project that you can show to potential clients / employers.