> 9. Eat your frogs first. Do the hardest thing earliest in the day, when you are fresh.

I agree with that in general, but I do also find that it's much less intimidating to start out on something easy (so you're more likely to start) and also helps you to ease into a state of focus. In college I would usually start with a reading (while taking reading notes) since it was something I knew I could always do without too much fuss. Afterward, it was much easier to start in on thornier stuff.