Money Zen: Expense Tracker

How to Develop the Habit of Bookkeeping Bookkeeping should be simple and straightforward, which is easy to say, but: - So many categories, and subcategories? What category should I choose? — Money Zen use a tagging system, you can write "food, eat out, restaurant_name, meal_name", as detailed or rough as you want. - I bought two boxes of eggs with different prices, add this to this, where is the calculator? Where is the equation I just entered? Is there a typo? — Money Zen has a calculator tha