That's a great setup you have going on there, really like the use of the "tarp". I saw on the site for the stand that it comes with a hammock and ridgeline... it would be low but would it be possible to use that ridgeline for a small tarp, just large enough to give you some weather protection?
When you switch to tarp poles will it just be two poles for each end of the tarp?
I tried a tarp over the poles - way too close to hammock.
I tried a tarp over 2 hiking poles - not enough higher, too easy to brush the tarp and get wet from the dew.
If I was using 1 tree & 1 hammock stand pole then I could probably make the tree end enough higher to work fine.
I'll get 2 tarp poles, run a couple of guy lines maybe to keep them stable and the tarp should then be enough higher to work very well.
I would then be able to use 1 hammock stand pole and 1 tarp pole if there was 1 tree I could use for the other end, or use both of each when there are no trees I can use.
I'm trying to get the necessary setup so that I can hang at anywhere I stop regardless of tree availability. There are camp sites with rules about not attaching to any trees or no trees or trees to small to support hammocks, etc.
I want to avoid needing to take a tent & inflatable mat, I just never sleep comfortably on a mat and my hammock is better than my bed.