Feeders: 120.00; thats 48 mice and 20 rats a month,
Food for left over feeders: 4.25 a month
Substrate: Newspaper 10.00 a month, aspen 4.00 a month (I buy in bulk)
Cleaning supplys (paper towels, chlorehexidine, ect): 50.00
Misc (power, water, general rack and animal up keep) 15.00

Total
$203.25

Having a collection that I am proud of .....Priceless (sorry I had to)