There are plenty of good wheel stabilizing systems for tandem axle trailers but is there anything better than the old single wedge chocks for single axle trailers?
My Viking has scissors jacks on all 4 corners that stop the wiggles when we walk around. Of course, with a 17' trailer we don't walk very far. And we don't do a lot of dancing in the trailer either. We use rubber wheel chocks in front of, and behind both wheels. They hold well on pavement, gravel, or sand. The chocks are held against the tires by bungee cords.