Sometimes they might have special offers for new players where you might be able to get a comped room, but I'm not really sure and it probably depends on the casino. Once you have a slot card, whether or not you get a free room (and how often, if it applies to weekends also, etc.), depends on how much you gamble. It isn't something that a person can answer, like you gamble X amount and you get this deal, they are casino marketing secrets.
Sometimes you don't have to gamble much to get room offers. It might also depend on the season, I suspect in the spring and summer it gets more crowded and they can be more selective with their offers. The recession can cause them to give out more rooms due to fewer gamblers.
Also, you can spend your comp dollars on the room, but that is impractical because you would have to gamble a lot to get enough to use. For food, usually you need to use your comps, so you have to gamble enough to get enough comps for the food. You might get offers in the mail ... more.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.