If you haven't been to a self-serve frozen yogurt (FroYo) place yet, it works like this.First, grab a cup. Fill it with frozen yogurt of your choice. Add toppings from the topping bar. Put your concoction on a scale and weigh. You pay by the ounce.I like these places because I can make myself a treat exactly how I like it in a small portion.A couple weeks … [Read more...] about Thursday Rant: Foolish FroYo Frugality