Iqama question

Hi i was hoping someone could help me, my husband is living in saudi as batchelor married status and lives on farouk my 11 year old daughter and i come over for visits but now looking at getting iqama for both of us but not to stay permanently as i care for my mother in uk. If we applied for iqama to come and go on multi exit visas would it be a problem that we wont be applying for schooling while there as it will be mainly school holidays that we come over and stay. Everytime we come over husband is put up in a villa on compound then has to move out once we have gone plus would be nice to know that we had a place everytime, it costs a fortune everytime we come for visas any info appreciated thanks joanne