One should not worry if Hajj is getting expensive. Salaah is still free and zakaat has not increased 2.5%. Apart of this recitation of the Qur'an, Fasting of Ramadhaan, Taraweeh, Zikr wa Azkaar and being a good human being etc. are still tax free.
Why does it not interest us? Why default on things that are absolutely free and cry over that which has not been obligated until we have the means?
So Hajj is obligatory upon those who have the means. Hence if its not obligatory upon you yet, then continue fullfilling the obligations that Allah has blessed you with for free.