Answer
(Fatwa: 1317/1058=L=1430)
It is allowable to apply wax in order to remove hair, but if it is forms layers and prevents water to reach to the skin, it must be removed before performing wudhu.
(2) In itself earning is not prohibited for a woman, but she has to observe the Shariah rulings e.g. she should not have mixing with men, should not talk to men without severe need, observe full hijab with covering face, etc. If you work with these conditions, you are allowed for the same.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband