Cancel the card before 180 days but not before 90 days else it hurts your credit score
Spend $250 a month per billing cycle and pay it off on time
Don't have more than 1 rewards credit card at any point. (eg. You can have United but don't have both United & Delta ... etc)
Make sure when you cancel your credit card call them and they will offer 5,000 bonus miles to keep it, then keep it and then cancel it after a 30 days upon recieving credit.
You can Travel anywhere in the Continental U.S. for 30,000 miles round trip & 40,000 miles to Hawaii & Alaska (during promotion period Alaska only cost 20,000 miles)
Travel International Asia (65,000 miles) Europe (50,000 miles) Africa (80,000 miles)