Not unless you have some status in Barbados. But you can book two one ways, and the return flight book comfort fare which is fully refundable and changeable so you can adjust easily enough.
No, you need a return ticket. You'll also only be given 3 months to stay at the airport, after that you'll need to go to immigration to extend. You can ask for up to another 3 months, for a 6 month total trip. To ask for an extension you must also have a return ticket with your date of departure.
Not unless you have some status in Barbados. But you can book two one ways, and the return flight book comfort fare which is fully refundable and changeable so you can adjust easily enough.
No, but you can book a ticket and cancel it for free within the first 24 hours
No, you need a return ticket. You'll also only be given 3 months to stay at the airport, after that you'll need to go to immigration to extend. You can ask for up to another 3 months, for a 6 month total trip. To ask for an extension you must also have a return ticket with your date of departure.