Redo your countertops: This tutorial is for in the home, but if the countertops in your trailer are dated, this is a simple option for you. updae on her project - she used brush on poly to keep better and moisture free -
This woman tells how she painted and sealed her counters to go from the laminate in the top to the natural stone look in the bottom picture. About 120 bucks. I'm not a big fan of painting laminate but this tutorial intrigues me.