There are a lot of useful tips in Lifehacker's article about how to make your to-do list do-able. Here are the best tips:
- You're the boss of you. Put yourself into "think" mode and figure out what you've gotta do.
- Break it down. You can't do a whole project (like "buy house") all at once, but you can do "find open houses for Sunday" and "schedule appointment with bank".