Buy furniture made specifically for use in RVs so that it fits perfectly when you use materials and bolts to install them. Also, watch a video on the step-by-step process to make it easier to install furniture in your RV. You can't just bring your couch and chair into your home when it's time for an upgrade. Some things are too big or heavy for most people to move around easily. There are also things like tables and nightstands that would be nice to have in an RV but aren't necessary when traveling around town every day.