As an infrequent flyer, you are at high risk of forfeiting the points you purchase if you don't spend it all in two years. A redemption doesn't reset the clock. All you need is for life to happen and you can easily forget about it and let the $1000 vanish. I don't think this is a great deal anyway by buying at 1.8 cents, so I would just skip this "deal". Cash purchases aren't that bad with 1 year expiration and funds tied to your name since there are no change fees.