You should definitely have a travel agent. Why go through all the hassle of dealing with airlines, hotels, and rental-car agencies yourself, only to see the arrangements get all screwed up, when with just a single phone call you can have a trained professional screw them up for you?
Speaking of happy successes, after years of struggling to lose those few extra pounds every mother puts on during adoption, particularly when the doctor orders bed rest, in 2004 I sent my assistant to the Gap in dark glasses with a fake ID to purchase my first pair of Easy Fit jeans.