Answer:
I have a little house in which I live all alone. My house has no doors or windows and if I want to go out I must break through the wall.
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
I am a sound made by felines when petted.
I am free the first time and the second time, but the third time is going to cost you money. What am I?
I am heavy forward but backward I'm not.
When is it bad luck to see a black cat?