i made that mistake with my first dog , a whippet x hound bitch ,started her off at 6 months and straight on to well lamped rabbits ,end result was i had a lurcher and a first class singer , you live and learn as they say
good luck , it wont be cheap , im 24 and paying 1,400 euro on a 1.9 golf diesal car/van , definitly go straight to a company that deals with commercials