1. storage, lets say each shelf/container can hold 50 items.
2. cheaper crafting station. make the set crafting crafting station hard to acquire, but base one should be relatively easy to acquire..
3. house count as a wayshrine, able to teleport anywhere for free within the house
4. hire servant, guard and assassin. also supplier like bank, merchant, fence
5. vampire, ww and guild base house.. with dungeon cell, where we can capture hostile enemy making them fighting each other for our amusement.
6. coffin bed, exp buff for sleeping in your own bed
7. vampire cattle/slave.. able to capure npc and turn them into thrall for vampire feeding.. or hire people willing to donate blood.
8. building doorway, we don't want one room house, we want separate rooms.. allow us to build wall and doors
9. basement, allow us to make hidden trapdoor to a basement
10. basement emergency exit.. another door way to exit the house, which we can set our self(exit only)