well...........................many

stack bales, need hay, get stackmover, move to yard, feed. KISS

fire, don't have all stacks in one big bonfire spot

carryover, you likely saw 2-3 years of hay seasons in those fields, cheap drought ins.

and lastly building sheds for the volume of hay in this low annual precipitation area is quite foolish, some do but usually for the "good stuff"

hay and land are cheap and usually plentiful