Please help, New to this Forum. I need help on a bid for 30 acres for a school district in S.W. Indiana. Mowing and Triming. Baseball Diamond and Fencing around Some areas. I know by reading some forums cost of labor seems to be around one dollar per minute. Need to know what kind of time frame it will take to mow this property. Ztr John Deere 454. John Deere Utility Tractor with 6 foot finish mower. Thank you for any replies.