Originally Posted by PAX62

No Limit....in fact there is a "Media Rate" that allows credentialed media and film crews too check gear with no limits on Qty...so cannot imagine there is for paid excess bag fees since that is already a thing.

Reminds me of a story where a lady and her two kids were moving cross country and did exactly what you are thinking. They packed everything into 50lbs boxes and checked two excess bags per traveler for a total of 12 boxes and moved for a fraction of the cost of shipping or driving it.