Originally Posted by
craigthemif
There is absolutely no problem if a young child is sharing bedding and/or you've brought your own. Just book for 2 adults.
If you want a rollaway, then the hotel starts running into issues with fire regulations and max occupancy per room.
This is terrible advice outside the US. There are places that can and will enforce total number of occupants regardless of age. Generally in the US, you can do this without a problem