If you can afford it, get it. As said above, you may never need it...but. I always say "Peace of Mind". I have a Curt 20K manual slider, and have never "needed" it, but used it a couple of times just 'cause. The last time I used it, I actually had to break it free...it had sat a while not used.
Ed and Sharon
2010 Wildcat 28RKBS
2011 Ford F-250 XLT, 6.7L PSD
Ride-Rite Airbags and Airlift wireless remote compressor...nice!
I thought I was wrong once, but I was wrong!