[hugohamelcom]

If you want something a bit more complete, have a look at my comment above. Here's the direct link to it: https://news.ycombinator.com/item?id=30948979

[drakonka]

Thanks, but I've tried lots of more detailed ways of tracking before and decided this is just the one I prefer. My main concern is that I'm not overspending too badly and saving a good percentage for investments, and for that all I really need is a target spending number.