While the low cost rotors sold for TV antennas have probably not improved much. If you wish to spend the money you can purchase an amateur radio antenna rotor which will likely be much more reliable. Hy-Gain, or Yaesu.
http://www.hy-gain.com/Categories.php?sub=0&ref=64
https://www.universal-radio.com/cata...ot/ysurot.html