A mahogany treasure chest flatpack can be made at a workbench (Bench with lathe only) in the workshop of a player-owned house. Like when making the normal Mahogany treasure chest, this requires 84 Construction, uses 2 mahogany planks, and gives 280 experience. The flatpack can then be used on a treasure chest hotspot in a Costume room, either in building mode or not. This requires no Construction level and gives no experience. The cost of making and selling a mahogany treasure chest flatpack from scratch gives a profit of: