3 days a week part time helper - young couple with 2 dogs

We are a young couple living in Tin Hau area, looking for a part time helper to help housekeeping and look after our dogs 3 days a week (likely to be Tuesday, Thursday, Friday - 0800 to 2000). Experience in looking after dogs is key, we would also like help with housekeeping, cleaning, laundry, groceries, and cooking simple meals. Not sure if it should be standard monthly salary or pay per week - happy to discuss.