Acacia wood, usually another name for the robinia, is a very high quality and therefore expensive wood. What prices you have to expect for this wood, and how it is priced compared to other types of wood, about this in detail this article information.
Robinia and acacia
Robinia is a very good alternative to teak, especially in the outdoors. It is similarly durable and easy to clean, but costs only a fraction of the high-quality teak. Especially for furniture making Robinie is ideal because of its elegant, fine grain.