Hi all,

I never focused and not even travelled much so far, to earn miles through any airlines. Now we will be moving to India. In some days, I am going to book via Turkish Airlines, probably in business class. It will cost over $7,500 for three of us, so I am thinking to get a new credit card, which will help me get further benefits. So far I have only two cards - Citi Costco card and American Express Delta Skymiles.
To start with, should I get a new (better) credit card and use that to book this flight?
Turkish airlines is part of Miles&Smiles. Will I be able to use miles earned via this program, while keeping base as India? As we will be staying in India for long term. Going forward we will travel more than now, so thinking on this side now.

Please advice. Thanks.