Unique, (and preferably cheap), way I can illuminate my room.

That’s not what you said yesterday. Don’t you remember?

Cite that I said the OP could not go with a gas lamp.

But yes I did offer a different suggestion the other day, I thought of another alternative since then. I really don’t see the point you are trying to make.

Not sure if…

I’m partial to thermite.

I don’t think thermite particularly cares if you’re partial to it or not.

This is cheap.

Adopt some animals from the local rescue shelter and splice in some luminescent jellyfish DNA.

I like rock salt lamps.