How Big is Too Big - Deciding on a New RV

Before graduating to a tent trailer or small travel trailer, many of us began RVing by camping out of a car, van, or 4x4. And each year, many of us develop two-foot-itus, a condition that makes us yearn for an RV that is just a little bit bigger. How big is too huge? That question requires an answer.Cost can be a barrier, but it isn't always one because RVs can frequently be affordably financed over a 15-year period, making even a huge RV reasonable. What would be a factor if price wasn't one?