You should consider hiring a maid depending on the need and your budget. The longer the service hours, the higher they charge.
Part-time maids provide assistance for 4-5 hours to complete the daily chores like cleaning, cooking, washing vessels etc.
You should consider hiring a full-time maid when you constantly require help for various household functions right from completing daily chores to taking care of elderly people or your kids.
Full-time worker provides services throughout the day and usually stays within your residence. Full-time house help is generally provided with basic amenities of food and shelter facilities.