I thought that would be the ticket as well when I first got my Casita, I mounted the same type stab jack Casita mounted on the back. I hardly ever get to use them as in most cases you need to shovel a hole to be able to swing them down. My suggestion is to use scissor jacks as they come straight down instead of swinging out. Last year my rear stab jacks bit the dust so I bought 2 scissors jacks from wally world ($25.00 ea) and use them with a battery
operated drill, at this point they are still unmounted. The Ball jacks just flat outpace my budget.
As for mounting of the front jacks, if you have the fold out step option I mounted them on the front side of the step bracket where the bracket has a 90 deg bend frontward by drilling 2 clearance holes for 1/4" bolts which has held them on for 8 years successfully. I chose this location because it was right under the weight
I wanted to support which was us. love being inneggsile, Bill