Brisket, too much fat?

Paid a good chunk of change for a grassfed brisket from HEB.. Cooked it cut it open and it just has too much fat imo.. The picture is after it has been refrigerated.. How can you ensure that the brisket isnt too loaded with fat while at the store and not cutting it open?

Paid a good chunk of change for a grassfed brisket from HEB.. Cooked it cut it open and it just has too much fat imo.. The picture is after it has been refrigerated.. How can you ensure that the brisket isnt too loaded with fat while at the store and not cutting it open?