By Daniel Burke, CNN Belief Blog Editor

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Raleigh, North Carolina (CNN) – Back home, they erase their Internet histories, look over their shoulders before cracking jokes and nod politely when co-workers talk about church.

But in a hotel ballroom here on a recent weekend, more than 220 atheists, agnostics, skeptics and freethinkers let it all hang out.

The convention was called “Freedom From Religion in the Bible Belt,” and it was part celebration of skepticism and part strategy session about surviving in the country’s most religious region.

They sang songs about the futility of faith, shared stories about “coming out” as nonbelievers and bought books about the Bible – critical ones, of course.

“Isn’t it great to be in a room where you can say whatever you want to whomever you want without fear of anyone criticizing you for being unorthodox?” asked Dan Barker, co-president of the Freedom From Religion Foundation, as he opened the two-day convention.

The Wisconsin-based foundation co-sponsored the event with the Triangle Freethought Society, which draws its members from this state’s tech-heavy Research Triangle.

The nonbelievers came from as far afield as Ireland and France, but most described themselves as refugees from the heart of the South - atheist anomalies amid fiercely devout friends, family and neighbors.

We wanted to know what it’s like to be a nonbeliever in the Bible Belt, so over the course of the weekend we asked some of the folks here to share their secrets.

They had a lot to say, and some of their advice overlapped, but we came away with eight top tips. Some said they wished they’d had something like this list when they began their foray into religious infidelity.

So, without further ado, here’s a “survival guide” to being an atheist in the Bible Belt:

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