Yeah, I go by simply what the towel is to be or has been used for. For drying poultry or anything that might need to go into a hot frying pan, it's paper towels. For drying dishes, side towels. After I've rinsed and spun lettuce, it goes onto a large, clean cotton dish towel, which gets rolled up, put into a plastic bag and stored in the crisper drawer of the fridge. If I've rinsed, say, berries or cherry tomatoes, they get drained and dried via paper towels - which can often be reused. For hands, often it's paper towels, because I believe they're a more sanitary solution. And I always have 2 dry side towels at hand or hanging over the handle of the door on my oven to use as pot holders.