So my Rosh Chodesh load @ Gateway Target off Erskine St. went as follows:
One CSE pawns me off on the other. The second gives me a look and asks why 3 transactions. After daring her (nicely) to try a larger transaction she follows through and does $2,500 total load on one card. Give her the second card and she walks off looking for a manager. Was overly nice when she returned after 10 minute stroll around the store. She said she could only load up to $5k total or "the system would boot me". Asked if it was a new policy and she said no, "very old policy". I said thank you and loaded the three remaining cards with my remaining $2,500 and left. All cards loaded with either Amex PRG, SPG and small Delta load.
Takeaway: YMMV with load amount, but cc load still operational.