The reality is that if you have no cash at the present you will need to lay this car aside until you can come up with some.
I.M.H.O. This fault will surely require the lifting of the head and it's repair in some form. Potentially head gasket,valve guides and seals plus maybe a valve. If done by professionals it would cost over $ 1K Plus.
Even if you have the mechanical ability to attempt this repair your self it will cost some hundreds of dollars in parts.