Here are 8 mistakes to avoid if you want to get the Chase Sapphire Preferred while it has its 100,000-point welcome bonus before it ends on May 15.

The Chase Sapphire Preferred's massive limited-time welcome bonus is ending soon. Here's why travel hackers are jumping on it before it disappears.

New Sapphire Preferred cardholders have one last chance to earn 100,000 welcome bonus points after spending $5,000 on purchases in the first three months from account opening. This rare offer, which is worth up to $1,250 in travel redemptions, will officially end on May 15 at 9 AM ET.