The Chase United MileagePlus Explorer Card gives you up to 40,000 bonus miles with loaded benefits. They include waived fee bag check for all card members + one guest, priority boarding, and free access to the United Club – a $100 value. No annual fee for the first year and $95 thereafter.

Probably the best card to earn frequent flyer miles, the Starwood Preferred Guest® Credit Card from American Express gives you 10,000 bonus Starpoints after first purchase. This can be converted to $100 gift card. Earn one Starpoint for every dollar you spend. No annual fee for the first year; $65 thereafter.

The Chase Freedom MasterCard gives you $100 cash back when $500 is spent within 90 days of account activation. This card makes accumulation and redemption of rewards as simple as possible. Benefits include 0% intro APR for 6 months on purchases and 12 months on balance transfers; 5% cash back every quarter in categories such as gas, groceries, travel and home improvement purchases.

Earn 15,000 Membership Rewards(R) bonus points with the American Express Premier Rewards Gold when you spend $1,000 the first three months. Build up Membership Rewards(R) points fast – earn 3X points on airfare, 2X points on gas and groceries, and 1X points on everything else. No annual fee for your first year; $175 thereafter. Use Pay with Points at American Express Travel and fly any airline, anytime, anywhere, with no blackout dates or seat restrictions.

Chase Ink Bold Ultimate Rewards Business Card offers 50,000 points ($500) Sign-Up Bonus after $5,000 in purchases. The card offers flexible spending limits and requires you to pay off your balance in full each month. The annual fee of $95 is waived for the first year. I sell items on eBay and Craigslist so I applied for a business card under sole proprietorship with my name as business ID and Social Security number as tax ID.