if you wish to get into the silicon metal producing business,weather for your own use or to sell it on the open market you have 2 choices buy a purvap for 20 million ,put it in a building just about anywhere,or build a 200 million dollar plant on 200 acres ,get the epa involved ,source a silane supply,(silane explodes when it comes it contact with air)and jump thru a multitude of hoops just to get started,
 much easier to put the purvap in the back shed and produce the quantity and quality you need for your operation,cheaper then you can buy it.
 So yes your start up cost will be 85% less.and you can stick to you business making anodes or casting aluminum or whatever you use it for.