The new .land gTLD is 'the' ideal domain extension for anyone brokering, listing, or selling real estate. Specifically those who wish to communicate to their existing and prospective client base that they specialize in land deals. Not all real estate brokers or agents list and/or sell land, so if you do, you'll definitely want to let your clients know that this is an area in which you specialize. Why not give them the confidence that they are dealing with the right individual or business, from the beginning.