Usually start at around 600, would expect yearly increase of 50-100 (filippinas at about double that amount).

You pay for all their expenses, food, clothing, health care, tickets home...

They are expected to work when you need them (not 24/7, and not a predefined # of hours a day - I expect a normal day to be between 4 and 8 hours of work dispersed between day and night - varies from day to day).