Is the failure to bring one's parents and in-laws for Hajj due to financial costs considered stinginess or disobedience, especially with the intention of permanently leaving Saudi Arabia and establishing a project with the money?

Pilgrimage (Hajj) for parents is not obligatory. However, it is one of the great righteous deeds for which one hopes that Allah will compensate the child for what they have spent, in accordance with His saying, the Almighty: "And whatever you spend of anything, He will compensate it; and He is the best of providers," and His saying in the Hadith Qudsi: "Spend, O son of Adam, and I shall spend on you."