Slovenia is the spot if you want green mountains and emerald water without the crowds of the Alps. Late spring or early autumn is the sweet spot. You get mild weather for hiking near Lake Bled and exploring the massive underground caves at Postojna without the summer heat or the winter frost.
Most people don't have $3500 sitting around for a flight and hotels. We can make the math work by breaking that total into smaller monthly chunks. Using the right tool helps you pay for the trip over time without added interest costs.
Keep in mind that the 0% for 18 months on purchases and balance transfers from date of account opening is a firm deadline. If you still have a balance on the card after those 18 months, interest will start accruing on whatever is left at the standard rate. Stick to the monthly plan to ensure the trip costs exactly what you expected.