That's why I check 600lbs of gear onto every flight I take.
Let's see: from Delta Airline's (just an arbitrary airline) current charges:
Bags 4-10: 200 USD each (each way; 10's the max per person)
weigh 50 pounds (23 kg) or less
not exceed 62 inches (157 cm) when you total length + width + height
Overage Charges (each way, PER weight OR size):
90 USD/CAD* for bags weighing 51-70 lbs.
175 USD/CAD* for bags weighing 71-100 lbs.
Bags exceeding 100 lbs. are not allowed.
So reading the post literally ("I check"), that would be 10 x 60lb bags, assuming they all fit within the dimensions (which they most likely don't). So, 10 bags @ $200 each, plus 10 overweight at $90 each = $2900 each way. So $5800 total round trip, for the checked bags.
More realistically, let's assume the load is distributed across at least the photographer and one assistant. So that would be 12 x 50lb bags, which is still $200 x 12 = $2400 each way, or $4800 round trip.
That's without counting the overage charges for exceeding size limits (things like stands and booms eat up those inches really quickly). Of course, maybe other airlines have cheaper rates, or maybe there's some special VIP membership with better deals or whatever. But still, damn. Nearly $5k per job just for baggage charges.