I will be travelling to Interlaken from Milan (Central Station) in Feb - 2013.
1) Which is the best possible and cheapest route?
2) From where should I buy the tickets for the same?(Online)
3) I am planning to buy a Swiss Half Fare Card, can I buy the same in Italy? If not how do I buy the Half fare card from Swiss and how can i avail the benefits of it while travelling form Milan to Interlaken? (considering i plan to make online bookings)
4) If I have to buy the HF card from the swiss station, then till which station should i purchase the ticket from Milan?
Any kind of help is highly appreciated.