United is offering a limited time promotion where you can earn 5,000 bonus United MileagePlus miles  for simply shopping online for things you may already plan on buying and spending $1,500. Just head over to United Shopping site, login and start shopping. But hurry, this offer ends November 20, 2016. As a reminder, American is offering a similar offer we covered as well.

Offer Details: During the “Holiday Bonus” bonus campaign, which runs from 10/31/16 through 11/20/16 at 11:59:59 pm ET (the “Bonus Period”), Member will earn a one-time bonus of up to 5,000 MileagePlus® bonus award miles on qualifying purchases, in addition to the standard MileagePlus® miles earned from shopping online through the MileagePlus® Shopping mall. This one-time bonus award will be determined using one of the following tiers, based on Member’s cumulative qualifying purchases made during the Bonus Period: Tier 1 bonus: 500 miles for qualifying purchases of at least $150; Tier 2 bonus: 2,500 miles for qualifying purchases of at least $750; or Tier 3 bonus: 5,000 miles for qualifying purchases of $1,500 or more. “Qualifying purchases” do not include returns, cancellations, shipping and handling, taxes, gift card or other cash equivalent purchases, and certain products that are not eligible for bonus miles. Please see the MileagePlus® Shopping mall site for details on product eligibility and other restrictions. Please allow 8-10 weeks after the Bonus Period for bonus award miles to post to your MileagePlus® Shopping account. The Tier 3 bonus provides the maximum number of miles that will be awarded. Void where prohibited by law.