Hi Don & Kris,
I would definitely go with the manual and an electric drill... Here are just 2 adds I down loaded from the web... I order off the web, BUT I like looking and holding most things before buying ... These are just to give you ideas of what is out there...
Here is one add for 2 jacks from Camping World, and
Another add for 4 jacks from Amazon.com
Good luck with which way you go (elec or manual) ... I use the manual stab jacks on my FF and made up a socket adapter for my electric (battery) drill and can drop these in just a couple of minutes; easy-peasy ... Remember that these are STABILIZER jacks and not levelers...
Level with blocks under the tires and the tongue jack, then stabilize with the Stab Jacks...
Good luck and hope to see you on the trial sometime...