If you are going to the USA, you will need a USA ESTA (Electronic System for Travel Authorization) unless of course you require a visa.
They are very cheap at $21 for 2 years and easy to apply for, but many people get scammed when buying as they use fake ESTA websites pretending to be official.
You MUST buy from the real ESTA website which is is https://esta.cbp.dhs.gov
Do not use any other site! Only use this one.
It takes around 20 minutes at most to complete.
You will need your passport and a card to pay the fee when you go to apply.
You can use this ESTA for as many trips as you need within a 2 year period, and you do not need to update your ESTA information with where you are staying when you travel for a second or third time. You can if you wish, but you don’t need to do this.
Make sure that the website you use is https://esta.cbp.dhs.gov and make sure it has that padlock showing you it is secure.
Under no circumstances should you use any other site for an ESTA, no matter what.
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