To be honest your best asking all companies not just them on here heaven forbid you can get a deal away from this forum.
We really seem to be a closed shop at the minute.
Truth is most will give some discount if you buy bulk find out the prices that includes shop and see what you can get if your a full kit person.
It has always been the case find what kit you want then try get it the cheapest was out of nessesity half the time growing up when pennies where tighter than they are now (there are still tight).
My advice is see the kit you want try get a discount but don't expect it or be put off if you don't get it l..