Nikaah & Marriage Issues

Q: My husband gives me R500 monthly allowance and his mother R1000 monthly allowance, is that fair?

Q: Some people mention that some pious people have relations with their wife with a sheet in between and a small hole. Is this correct? 

Q: If a man has two wives. One rich and one poor. Must he give both equal nafaqa?

Q: I divorced my wife two years a go. I still have not paid her dowry. I can not afford it. Is it possible if I pay her whatever I can?

Q: Is it permissible for two siblings to make nikkah on the same day to different individuals ? Is there any Islamic rulings against that?

Q: My elder sister don't have any child due to some medical reasons. My family wants that I give her my child which will be born. Am I allowed to give my child and if yes than what about the father's name? Should he or she be called from original father's name or from my brother in-law's name?

Q: Are the Jews and Christian of today still considered to be Ahle Kitaab. Especially the Christians, can one get married to them even though they do not accept Islam on the basis that they are Ahle Kitaab? 

Q: I married a sister about 18 months ago. She had a contract in which I signed that stated I cannot have another wife for five years. Due to unavoidable circumstances I married another wife. Is my first nikkah still valid?

Q: Can I marry someone my mother don't approve of because the man was previously married? Is it wrong to still marry him?

Q: Please tell me is same sex relationship wrong in Islam and why?