Usually at the Hawza non-married students live in a dormitory while a minimum monthly salary and modest meals are given to them. Married couples receive also a minimum monthly salary but they are asked to rent their own place. The situation and conditions may vary from place to place but generally married couples receive more salary than non-married students. The salary for married couples would not be sufficient to cover all the family expenses (especially for rent) so married students are encouraged to find other incomes as well. This may take place by translating religious books, student sponsorships, or working part-time for religious projects and institutions. The free-time you have at disposal will depend on how much you are willing to put into your studies. Personally, I advice Hawza students not to limit themselves to curriculum-subjects but to find some time for extra-curriculum studies for what can be learnt during special extra-curriculum researches has great benefit on the student and improve his quality as a scholar. Furthermore, memorization of Qur'an and and purification of the soul by supererogatory acts should be taken into account. This may diminish drastically your free-time but you should understand that studying religion is a full-time commitment, day and night, as religion is neither an hobby nor a profession but it is about how you live, how you eat and how you sleep... Therefore a good student of religious sciences should be ready to sacrifice much of his time and energy.
With prayer for you success.