Travel Insurance
You can always start your journey without any travel insurance but just to be on the safer side... get insured. If you fall ill abroad, treatment could be costly. As you know PPO, HMO and Medicare are kind of not covered abroad.
When families travel there is always a risk involved or some sudden illness or injury to an adult or some family member. By getting travel insurance, you can get it all covered and make your travel a hassle free.
You can also get your expensive goods that you might be transporting insured through travel insurance which is always a good idea.