Dunkin Donuts Visit 2x for 100pts through 4/15/18 using Dunkn Perks app YMMV

Dunkin App is offering 2x visits for 100points good through 4/15/18
Normal perks rewards, you get 5 pts for every $1spent. Buy a muffins or hash browns for $1 2x and get 100pts at 1/10th the cost.
https://www.dunkindonuts.com/en/dd-perks