This Old School Runescape house setup guide includes the things you should unlock, how to train to level 84/86 Construction, the material, and room placement. There is also a calculator which tracks the cost of the methods. Content for this article was inspired by Theoatrix OSRS's video.
The fairy ring is a transportation system of Old School RuneScape. It is composed of 44 teleportation rings, which spread across the world and provides a fast way of accessing often remote sites in RuneScape, as well as providing easy access to other areas. Here you can view the world map showing all the fairy ring teleports available.