Should he do the obligatory Hajj or use the money to get his son married?

No File Exists
Check below answers in case you are looking for other related questions:
Should he give priority to Hajj or to getting married?
His father refuses to arrange his marriage until he has completed his studies

No File Exists
Related Answers:
Should he do ‘Umrah or spend the money on Jihad and propagating knowledge and on the poor?
She took some of her husband’s money without his knowledge to spend on her son’s marriage
Should he perform the obligatory Hajj or give the money in charity to his neighbour who is poor?
Should he give priority to Hajj or to getting married?
His father refuses to arrange his marriage until he has completed his studies

Recommended answers for you:
Eid prayer for women is Sunnah
Meanings of the word fitnah in the Qur'aan
How can a woman pray Taraweeh in her house?
The reward of one whose child dies and he bears that with patience
Ruling on keeping pets