As the OP, I am really shocked a how far this thread has gone and how off-topic it has gotten (hence, my ignoring it for a few days)...but since it won't die, I will make a few more points and then go back to the important things in my life....
First off, my initial post said "in a nutshell" because I didn't feel it was necessary to post that my kids had already walked down to the lobby TWICE after checking in around midnight because my daughter's magic band would not work as a room key. Yes, TWICE, because they went once and the desk clerk said she fixed it, but they went back to the room and it still did not work so they had to go down to the lobby again.
Then they get into the room to see the king bed, and call down by using ZERO as my son later told me, to be told that the hotel was booked and they'd try to change them tomorrow but would send up a rollaway RIGHT AWAY, which then took an hour and 45 minutes. They waited over an hour and called again and were told the bed was on it's way.
Their flight had been delayed by weather and yes, I asked them to text me when they got into the room. That's when I was told about the bed situation, and at nearly 2am when the bed still hadn't arrived, I did what every horrible parent would do (who, BTW, booked the room and paid for it, for those who asked), and looked up WHAT I BELIEVED THEN and still believe now to be the main # at the hotel, and reached someone who I was led to believe was the manager ON SITE who told me he only had one person in his hotel at the time to deliver rollaways.
Yes, he berated me for not specifying 2 beds. And since I have another upcoming reservation at a Disney All Star hotel, I was able to check and see that the standard rooms are ALL offered as two double beds and there is NO option for a king (as previously stated, in other trips when we wanted kings we could not get them). My confirmation also reflects the booking of a room with 2 beds.
Taking the advice of many here, I called Disney to be sure that my upcoming trip would provide me with a room with 2 double beds and was told that even though I have requested two beds, it is NOT guaranteed.
After being berated by the manager for not requesting 2 beds on my online checkin, I told him that the online checkin for that reservation was down and inaccessible to me until the morning of departure, and even once it was operational, NO OPTION is given to choose bed preference and there is NO SPACE for additional requests.
Just in the interest of full disclosure, they were never contacted about the request that was put in to move them to a 2 bed room for the remainder of their trip.
As they were in Disney to enjoy themselves, they spent every waking hour of the trip in the parks and made do with the rollaway rather than wasting more of their vacation time trying to fix Disney's mistake.
Funny how much criticism can be lobbed when the kids wanted their own bed. I can only imagine what would have been said had they slept together as many suggested they should have done The old 'damned if you do, damned if you don't', I guess...
Once again, my initial post was really to find out what others had experienced when their trip did not go as planned. I really don't need parenting tips but will certainly know where to go if I ever do. I do appreciate those who offered help and shared their own experiences. And now I have spent way too much time explaining myself to people I don't know and shouldn't care about, so I will simply end by saying thanks.