The ability to customize it as per our needs, easy user interface which makes use of visual aspect most suitable in this industry where visuals are very important.
It is not free software but has some premium options that can be purchased by companies who need advanced features like inventory management etc., I would recommend using trial version first so you get used with its functionalities before purchasing any license from them or making your own customization through their open source community if available (which they provide). We have been able solve problems related accounting process at self storage facility level without having much technical knowledge about domain specific programming language i.e C++/C#/.NET languages etc.