PR -How do you level up from regional to national coverage?

Today, I got some regional press coverage for my newsletter - https://remotebase.co - it's been fantastic!

Getting this very first coverage, I followed some tips from friends and forums. I found a handful of journalists who write about the relevant industry (travel) and composed quality, bespoke messages to try and engage them. It worked! (Happy to share more about this if people are interested)...

I'd love to level this up, and get some national coverage. The obvious way to do this is use the same approach with journalists at national news outlets, but the conversion rate is, understandably, much lower.

So... the question is: Are there any methods you've successfully used to leverage regional coverage to get national coverage?

Would LOVE to hear from anyone whose managed this successfully, or even get the 'here's what not to do' if you've had any blunders! #learning!

Here's a link to the article, too! https://www.manchestereveningnews.co.uk/news/greater-manchester-news/man-who-given-up-renting-19186229

Thanks