Need advice from tech savvy folks regarding international travel. [View all]

I am making plans to spend a few years abroad and hope to leave as soon as possible. I'm reading stories of even US citizens getting stopped both leaving and returning to the country and their phones searched for things like anti-trump posts on social media. Perhaps those stories are made up, but I don't want to take any chances. Should I completely wipe my phone and start over when I land safely? Or is it enough to just remove all social media apps and my browsing history from my phone? I don't necessarily want to spend the money getting rid of my phone and starting over if I don't have to, but what do y'all think is the safest move?