See my comment about bringing stuff to your room. There is a guy and the room is locked up, but there are worse things than bringing up a case or 2 to your room at night...and then you get to sleep with your chips!
Most people leave collectibles in the hotel room and take the inventory to the show and leave in display show cases. There is security and door is locked when everyone leaves. Cover your table with tablecloths and put chairs on top. Security cameras are pretty much everywhere. Generally no issues but there is some risk