Difference in levelers

I have been a RV Tech for 35 years. I have seen all kinds of leveling jacks. I have NEVER seen a Electric(NOT ELECTRONIC) jack system that after a few years was worth anything. Atwoods are the worst. The length of the RV has nothing to do with which system is put on. The price rarely comes into play also. It sometimes just depends on what kind of cozy relationship the OEM buyer has with the Jack supplier. BTW, Electric jacks WILL devalue your motorhome when trading or selling. Doug