i just made some blackberry ale and put in 4lb in the last 10 minutes of the boil and put 4lb in the secondary in a 10 gal batch because i couldnt decide. it turned out pretty good. the blackberry flavor is coming out a little more since ive had it in the keg for a month.
i buy hops in bulk from hopsdirect and buy 2 months worth of recipes( i make my own) from brewmasterswarehouse. they have $6.99 shipping. but there are plenty of other places out there to buy from.