Hilton doesn't notify you of these promotions; you have to sign up for in order to receive the bonus points. This is a good deal; double points on stays 5/6 - 9/8, registration with the promotion required.
2019 Go More Get More - Stay Frequency Bonus
Offer valid through September 8
2019 Go More Get More Promotion Offer valid through September 8 Earn Double Points on every stay starting on your second stay, in addition to Plus-Up Point Bonuses on your 10th, 15th and 20th stays.
Fine Print: Offer valid for stays completed May 6, 2019, through September 8, 2019 ("Promotion Period") at any hotel or resort within the Hilton Portfolio. Hilton Honors™ members must first register at HiltonHonors.com/GetMore prior to completing a stay within the Promotion Period. Registered Hilton Honors members checking in before May 6, 2019 will receive credit for their stay if the stay is completed after May 6, 2019 and prior to or on September 8, 2019. Registered Hilton Honors members will earn double Hilton Honors Bonus Points beginning on their second stay during the Promotion Period, as well as an additional 10,000 Bonus Points upon completion of 10 stays, an additional 15,000 Bonus Points upon completing 5 more stays (for a total of 15 stays), and an additional 20,000 Bonus Points upon completing 5 more stays after that (for a total of 20 stays). For examples and further details, please see the FAQ page. There is no limit to the total amount of Bonus Points that may be earned during the Promotion Period with this offer. However, there are restrictions on the amount of Base Points that can be earned on a single stay at certain brands. This offer may be terminated without notice. Bonus Points do not count toward elite tier qualification. Please allow six to eight weeks from completion of your stay for Bonus Points to appear in your account. A 'stay' is defined as the total number of consecutive nights spent at the same hotel, whether or not a guest checks out and checks back in again. Offer is not valid for groups and cannot be combined with other select offers. In-Room Internet Access, Fitness Center/Health Club Access and Bottled Water benefits may not be complimentary at properties with a resort charge. Space-available upgrades only available at select brands. Elite status benefits are subject to availability and vary by brand. For more information, please visit HiltonHonors.com. Hilton Honors™ membership, including the earning and redemption of Points, is subject to Hilton Honors Terms and Conditions