Missed the Chase Sapphire Preferred's 100,000-point offer? You may still have one more chance

The recent 100,000-point bonus offer on the Chase Sapphire Preferred® Card just ended, and as we expected, many of our readers waited until the absolute last second to apply.In fact, we saw hundreds of link clicks after the offer ended at 3 p.m. ET on Thursday, July 30.And while the public offer has since dropped down to earning 75,000 points after you spend $5,000 on purchases in the first three months after account opening, there may still be a way to get the 100,000-point bonus.After checking personal referral links from multiple TPG staffers, we found that several are still displaying the expired 100,000-point welcome bonus instead of the current public offer.Even better, existing Chase Sapphire Preferred cardholders can earn bonus points for successful referrals, making this a win-win for both current and prospective cardholders.We have no clue how long this will be around, so if you're still hoping to take home 100,000 Ultimate Rewards points, here's what you need to know.Referral links offer 100,000-point bonusChase offers a referral program on many of its cards, allowing existing customers to earn bonuses by referring friends or family members to get a new card.How to gener...