Amazon just caused an uproar by saying that they changed their private information policy so if they merge, your information could be sold. Don't give unnecessary information. Usually, the payment page has required fields and unrequired fields. In following up with your order, many places have online order tracking so you can check the status on your own, which is reassuring because you don't have to wait eight days and wonder. And companies that have those features generally have their act together more than those who don't.
Apparel is an easy thing to get because it's lightweight in terms of shipping.
The personal care companies make it really easy to choose a gift, and they make it look really pretty if you're sending to another location. Luxury companies do a good job of picking simple items like a pashmina or bath salts and they make them look really great when they show up.