a bin monitoring system functions both as a device for lifting the bin and as a weighing system for monitoring or measuring the level of feed in a feed bin . various embodiments having a suspended load cell and methods of retrofitting the bin monitoring system to existing bins are provided . further , the accuracy provided by various embodiments enables one to accurately predict when the feed bin will be empty . thus , the feed mill can be aware of anticipated needs days in advance , allowing the feed mill to better optimize its scheduling and deliveries .