Stabilizer jacks at home?

The answer depends.. Stablizer or leveling? Leveling I put down to lift a bit of load off the springs.

What kind of springs.

Are you going to be using it

is it stable without them for your use

I had two trailers.. one when I parked for the winter I wanted it "Canted" (end to end) so rain and snow melt ran off better.. The other had a domed roof so I kept it fairly level but just the tongue jack as over-winter it was a store room.

Stored the coffee and other refreshment service for a youth philharmonic.
Then on rehearasal day move all to my car.. Go to the hall. Take out one of those convertable 2 or 4 wheel hand carts in 4 mode. Drop an angle bracket into the slits I cut in the Foot plate. Hook a wheeled "Foot locker" type thing on it and load up everyting for one trip into the school... (Hire an engineer... you get a train).. Real handy.. of course this last paragraph has nothing to do with the subject but I hope you got a laugh. (did that for 3 years).

It's really a matter of preference. I deploy the stabilizers when I'm camped. I leave them retracted when it's in storage or parked in front of the house for loading.

Some people are fortunate enough to keep their trailers at home. They might put the stabilizers down because they dislike the way the trailer moves when they are inside doing whatever. Others leave the stabilizers up because the movent doesn't bother them.

Some say to leave them up in storage in case a tire loses air putting undue stress on the frame. Others say the trailer should be able to handle the stress of the stabilizers holding up the ends of the trailer.

In other words you're going to get a lot of differing opinions on this one.

Are you speaking of the rear jacks? I don't see any sense in it myself if you're not occupying the trailer. And I have hydraulic jacks so I prefer not having the cylinders exposed to the elements. But, really, it's mostly personal preference.

Lot of back and forth behind this. What is the gain to stabilizing MT trailer?
OTOH, most say the jacks are not to carry weight of trailer. And if tire is setting often lose air. Jacks hold it up?