Life on the road can be cheap -- it's part of what lured Alex and me (and many others) into this type of adventure. But it can also be pretty expensive. Fortunately, Nick Gray has several months of experience and extensive expense records. He recently published a video about the expenses his family experienced in their first three months on the road, and he gives a peek into what it's like and what being a full-time RV family can cost.   Follow Untethered: Twitter/Anchor Follow Taylor: Twitter/Instagram/MOD/Best Damn EDC/CNET Follow Nick: Twitter/Instagram/High Tech Traveler/The Gray Adventures   Music: Oh Pin Dee by Jon Teague