The travel costs to the host family are usually covered by the Aupair. In some cases, the host family may offer to cover all or part of the travel costs e.g. when using an Agency or if auost family lives in a country with this requirement.

Aupairs normally pay for language courses themselves. Some countries such as Germany stipulate that hostfamilies must contribute a sum towards language course and also transportation to language course.

It is recommended that au pair insurance includes travel, health, liability and travel accident insurance. Depending on the host country, the costs of the au pair's insurance are covered either by the au pair or by the host family.

Working hours differ between countries and host families. But are typically 20 and 40 hours a week. 

Depending on the host country regulations, au-pairs may have 2 to 4 weeks vacation yearly. 

Depending on the country, au pairs get 1-2 full days off minimum a week. Once a month, a complete weekend.

The amount of pocket money varies in every country but ranges usually between 250 and 450 Euro.

1. Legal requirements: Host families must comply with the legal requirements set by their country's government for hosting an aupair.

2. Cultural exchange: must foster cultural exchange by assisting aupair in learning about their country.

3. Housing: Host families must provide a private room and access to shared facilities like the kitchen and bathroom.

4. Meals: Host families are typically responsible for providing the aupair with meals or a food stipend to cover such costs.

5. Transportation: Host families may need to provide transportation or access to public transportation.

6. Language: In some countries, host families must provide access to a langauge course.

Requirements vary per host country.

An au pair is a young person from a foreign country who lives with a host family to assist with childcare and light household tasks.

1. Age: Typically, between 18 and 26 years old. Other countries may permit being an Au-pair up to 30 through some special program that the have.

2. Visa: Some countries may require a specific aupair visa. 
   
3. Language skills: Some countries require basic knowledge of the host country.
   
4. Childcare experience: Some countries require having some experience working with children, such as babysitting or volunteering.
   
5. Health insurance: Aupairs are typically required to have health insurance coverage for the duration of their stay.
   
6. Background check: Some countries require aupairs to undergo a background check.
   
7. Education: Some countries may require aupairs to have a high school diploma or equivalent education level.
   
It's essential to check the specific regulations and guidelines of the country you are interested in working in to ensure you meet all the necessary criteria.

Working hours vary based on host family and host country. Working hours from 15 to 40 hours per week are typical. Contact your host family or check the embassy of your host family to get specific information.