Hilton is offering 80% bonus on points (minimum 5,000 points) right now (approximately ~ .56 cents per point.). If you have a specific redemption in mind, this may be of interest to you if the cost of the points saves you money versus the cost of paying for the hotel room. You can log into your account here to see the details.
Hilton 80% Points Bonus
The 80% Bonus with a minimum 5,000 Points purchase campaign is available for purchases made between November 6, 2018, at 12:01am ET and December 18, 2018, at 11:59pm ET. Members may purchase a maximum of 80,000 points per calendar year.
Looking for More Ways to Rack Up Hilton Points?
If you have a specific redemption in mind, consider this offer from HHonors where you can buy points with 80% Bonus to see if it is cost effective for you.