I'm not Einstein!!!

Unfortunately I feel like I need to be every time I go to the grocery store and have to buy toilet paper and/or paper towels. It takes me longer to pick out those two items than it does the everything else I'm shopping for. First I have to figure out if buying 12 double rolls is cheaper than buying 24 single rolls and then there's all the different sizes of the single and double rolls and 1 ply and 2 ply. And now some smart-ass marketing guy invented some new super-duper-triple toilet paper roll that totally adds a whole new layer of complexity to the process. I basically need to have a laptop with Microsoft Excel on it to calculate my best toilet paper/paper towel buying experience. And if I have a coupon I might as well bring a sleeping bag because I'm not leaving that aisle until I know I'm getting the best deal possible!