Some countries insist that you show some means of support (credit cards or cash), or have evidence of an address where you will be staying (hotel, friends, etc.) while visiting. You may also need to show return or onward air tickets.
This is mainly to show that you don’t intend to stay for an extended time in the country (illegally), and you won’t become a burden to the state (and won’t need to be flown home at their expense, for example).
This is known as the ’sufficent funds’ requirement. New Zealand, for example, requires that you have about [...]
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