This is my cellar. As you can see I have meters which are very reliable and 2 remote coolers. I sell Fosters, Sam Smiths, Guinness, Strong Bow and Carling. The system is about 10 years old but it works very well. I have a line cleaning contractor who cleans my beer lines every 2 weeks. I think metered is far better than free flow for stock control.No over or under measure in my place.