I have had my full - size bottle for months and I use it regularly and I've barely made a dent in it! (joyfullystyled.com)
At this time, I'm about 15 hours in and I feel like I've barely made a dent in it. (gamercrash.com)
Besides the great cash back rate, the Citi Double Cash is also great for those who have debt on other cards and want to really make a dent in it. (creditdonkey.com)