Firstly have a few photos of yourself/your dc. Then our advert has a few sentences in each paragraph about the following;
Be very clear about what you are looking for, we specify
Age range (for car insurance purposes)
Level of spoken English
Personality type (think about what type of person would fit into your family, are you looking for someone calm and gentle, or do you need someone outgoing and energetic, etc)
Non smoker
Be honest about your family and the work they will be expected to do( plus any house rules they will be expected to live with.) Describe your parenting style.
Describe their accommodation.
A few short sentences about your location (are you rural or in a big city, transport links, proximity to London/language classes/etc)
We tend to get quite a lot of initial messages and I find myself being quite brutal with culling out the ones that don't match my essential criteria, that haven't taken the time to write an personal message and those who just don't 'shine' as being a good fit. Normally after a week I have 6 or 7 perfect candidates who I've exchanged a couple of messages with and we then do Skype interviews.