What do you folks think about "tractor" style coops. I'm thinking of building one that is about 6' x 12' on wheels for about 10 dual purpose chickens. Can anyone give me some pros and cons? I have lots of land, so moving it would be easy. 
Thanks,
Gus
	
		
			
		
		
	
				
			Thanks,
Gus
 
	 
 
		 
 
		 
	 
 
		 
 
		 
 
		 
 
		 
 
		
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		