Question Summary:
Can I send my elderly, unemployed parents to Hajj?

Question Detail:

My parents are old and not working can i pay for they hajj?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu `alaykum wa-rahmatullāhi wa-barakātuh. 
It is permissible to pay for the Hajj of your parents. However, if you have sufficient funds and did not perform your Hajj, Hajj will become compulsory upon you.[i]
And Allah knows best. 
Mawlana Saeed Ahmed Golaub
Westmoreland, Jamaica, West Indies
Student Darul Iftaa
Checked and Approved 
Mufti Ebrahim Desai
daruliftaa.net