We started with nothing more than the stabilizers, which resulted in lots of movements. We then added JT strongarms, which helped a whole lot. After that, we replaced the rear stabilizers because they had gotten flimsy. Went with an upgraded scissor track vs. the old ones. That helped a lot too. Then one day I was at Camping World and found the BAL wheel chocks/lock as mentioned above on clearance for half off. We use those as well now, and that helps a lot too.
Point is that after using all 3 of these measures, we now have a very stable rig. I'm not interested in doing anything further, such as a tripod.