Apply for a Chase bank United branded credit card (many options depending what benefits you want) and get MileagePlus points to redeem on flights. Spend a certain amount in the first 3 months to get up to 100,000 bonus miles awards
We both save money towards our phone bill if you switch to Mint Mobile. I've been with them 2 years, never had a problem and saved lots of money. They recently have added great international roaming options which was my one criticism but now theyโve really solved that.