yes
Yes. But the NEC requires that your first disconnect be installed as close as practical to where the service enters the building. So if the bedroom isn't where the service enters the home, you will have to install a stand-alone disconnect where it does and then wire to your panel.
The insulated Taffeta curtain panel will work great in a bedroom and keep the temperature well-regulated.
Put the tv in the bedroom.
Installing 3 panel sliding closet doors in a bedroom can save space, provide easy access to the closet, and enhance the room's aesthetic appeal.
in the car or your bedroom
you can put up a funky colour, by a teenage bed (argos) and put all your nice stuff on display
You probably wouldn't want to put a motion sensor in the bedroom, unless you were only going to activate it when no one is home. You definitely do want sensors on the bedroom windows, though.
Yes, I have put my shrine (table with flowers, candles and Buddha statue) into my spare bedroom and made it my meditation room.
put it in your closet so people wont see it but it will be in your bedroom
posters
A dressing gown / bath robe
Yes. ACtually, if you put a bookcase in a child's bedroom, they will be more likely to read, and have a higher IQ.