Buy Alaska Airlines miles and earn up to 50% bonus

Deal Link: https://storefront.points.com/mileage-plan/en-US/buy
Expiry: Jul 1, 2017

You can earn up to 50% bonus when you buy Alaska Airlines miles before Jul 1, 2017:

• Buy 10,000-19,000 miles, get a 20% bonus
• Buy 20,000-39,000 miles, get a 35% bonus
• Buy 40,000-60,000 miles, get a 50% bonus

This is a targeted offer. Some one got 50% bonus offer, but some one only got 40% bonus offer (including me....).