It seems like with a remove tool you could literally build a sky base. You'd need spaceships just to raid it.
Build 8 floors up, build a nice spot. Lay a sleeping bag. Go down to floor 7, remove all. Floor 6, remove all. Floor 5 remove all. Floor 4, remove all. Floor 3 remove all..... at the bottom lay random foundations with center pillars around the area to keep anyone from building up. Only way to get you is parachute from an airdrop.
Or build your way up every time you want in. The removal tool gives you everything you "remove" back so there is no real loss.
This is the problem with the removal tool and just some of the reasons/examples on how it is abused :( When good intentions go wrong :P
EDIT:
Also hand gliders have been loosely kicked around in a AMA with Garry. Just saying Skybase + gliders to get down = FUN, however I think its just a spit ball idea that will never make it to paper :(