HOMESTEAD FAMILY COW COWCULATIONS

SO WE are thinking of getting a family cow probably mini Jersey Cow about 2 years of age here are my cowculations of what i need to buy and how much money it would cost. 

1. HAY ALFALFA. $5 A day. $150 a month $1800. a Year. 

2. Shelter and pasture around $2000 to build it all. 

3. Water $300 a year for me at least.