I'm often asked what I think about autoposting. There are two different topics at hand when you write "autoposting" - first is scheduling and second is actually linking accounts. I'm of two minds on the topic.,, well both topics. Scheduling can be a great way to save time and maintain consistency in getting post to your followings. But you do need to be careful to have a printed schedule (somewhere) that you can refer to in the event of a BIG emergency... nothing will ruin creditability faster than a post during a tragedy.
Linking posts is also fine when you start. At the beginning when you're getting your feet wet and need to simply start, by all means do this. It's a way to find both Facebook users and Twitter users in the same pond! If you go to Facebook.com/twitter - that's the beginning of your start! Simply link your accounts you'll be tweeting your posts... that means - what every you post on Facebook will automatically post to Twitter. At the same time. That's it! Easy.
Hint: follow the 140 rule and make your first sentence your tweet! It's a little different writing style, but that way when Facebook autoposts to Twitter, you're actually Tweeting!