if you want to do the installation yourself, camping world can sell you the parts.
measure the clearance from the ground to the bottom of the frame.
this is important to get the right length jack assembly. because if you get it wrong, it may be a problem returning the assembly without a restocking charge.
it will also determine whether straight down or kick down jacks will fit. it is not advisable to mix the two. look at the frame. is there room to mount the jack. you need about 8 inches of room lengthwise, and if you use kick downs, you need about 15 inches of room horizontally.
please contact me at 602-549-3638. i may be able to help you get the right parts.
the joystick system is the cheapest. it starts about $2400 or so. i dont have the figures right in front of me. but i can check. its on the internet.