A: original plan was to use electronic smart film overlay on my window that goes from opaque to transparent with the supply of electrical current, but for the sake of my bank loan balance, I held off for now.A: No bathroom at the moment but I plan to build a small bathroom in the trees near the tower. I chose to exclude plumbing from V1, but if there is a V2 it may well have plumbingA: Yes, for sure, my initial plan was to use a large hydraulic ram that goes down into the ground, with a lift on it. I didn't do this because of the added cost and personally, I don't mind the ladder.A: I use a rope/ pulley system. The tube is also quite large so you can get up wearing a large backpack.A: 50,000USD is material cost only. I spent 3000 hours DIY'ing the whole project.A: I had no idea so many people would want one, I built the skysphere for my own hangout without the intention of selling. Who knows, they may be for sale in the future! follow on Facebook to keep up to date