Wa'alaykum Salam, May I add: 1) Teaching in an Islamic School(not Madrasah): The payment is generally decent. Such schools have a mix of Islamic and secular education and Ulama can teach both subjects. Such is the case in Millat School, Mumbai where most of the teachers are Huffaz and 'Ulama. 2) Taxi driving: Have seen some doing it in Bombay. Enough earning for one's daily bread and no dependence on others. Flexibility for Salah too...just park somewhere close to a mosque and you are done. 3) Unani Medicine practice: Some Madaris in India have the BUMS course also. Many such 'Ulama open their Hakimi clinics and do quite well too. 4) Small businessess like bookshops, plywood shops and even pan shops. Wa salam.