If you’ve ever been curious about what it’s like to sleep in a Walmart parking lot, you’re going to want to tune into this video. Similar to Cracker Barrels or truck stops, Walmart parking lots are often used by RVers to break up long road trips. Although it’s a common practice in the RV world, there are a lot of questions about parking at Walmart with an RV, such as ease of finding a spot and safety.  Before hitting the road, or while on the road, one app that’s helpful to have on your phone is RV Parky. This app…