Tsa Airline Regulations I Am Not Getting Good Answers From Airlines /tsa Site/or Yahoo Travel On Carry On ?

I am not getting good answers from airlines /tsa site/or yahoo travel on carry on ? - tsa airline regulations

I can not say that certain information about what can and what not fly in your checked baggage. I know of shampoos, hair gels, and colonies toothepaste you can not carry luggage but I can not tell whether I carry in my checked bags?
I'm also in contact with my case and the need for additional lenses and solutions, because my eyes dry when I when wearing contact lenses .. I have no glasses, so that he can not fly, that wear glasses.
Film and are questionable, I think you can work in practice, what I read, but nobody can say with certainty.
What the hell is going on here?
What happens to my key, my electronic keys ..? I have in my luggage, "said a lady he did not throw ..
What would I do without my keys do? I would not be able to return home and my house, or ...???? Enter
Has anyone thought about these things?
I can not believe that they take personal belongings?