My leveling procedure. Put the trailer where I want with reference to other things like picnic table, etc.
Look at the level on the front (I added it) put the BAL small trailer wheel leveler under the low side wheel. Jack it up until level side to side Put chocks at the other wheel. Unhook, drive away from the tongue. Lower the tongue until the side level (I added it) is about 1/2 bubble tongue low. Deploy the read stabilizers, Put lego blocks under the foot of each side if needed. Jack the tongue up with the tongue jack until level. Light
and get the outdoor chairs out of back of the truck, grab some liquid refreshment and watch the trees grow or cactus depending on where I'm at.
I think I've used to bar maybe 3 times in 11 years.