all i can help u with is that i have a housemaid that comes once by week she takes 25 QR per hour, and i had one before that came three times by week every time 4 hours and takes 1500 QR per month, their nationality are philippino, and they are very clean.. it could give u an idea of what it is about,hope i helped..
Most of the families here in qatar have maids so there is certainly someone on this site that can help u better