You can buy almost everything online and if its not good, return it and get your money back.
It's really simple and most of the services are free delivery (or at least you can find a coupon online that will make it free delivery or 10% off).
These are services that are worth mentioning -
http://www.peapod.com/
$20 off first grocery order at Peapod.com, then free delivery for 60 days
Use BAGFREE20 at checkout on first order.
$50 minimum delivery.
http://www.skin-one.com/
The service is very good too.
http://www.visiondirect.com/
These are only 3 of the many services that are available online.
Other companies that are great for shopping are:
Target - for clothing, toys, and more (http://www.target.com/) and Aldo - for shoes (http://www.aldoshoes.com/).
Anyway, don't forget to look for a coupon for whatever you buy. It really easy - just search
I ask you - the readers - to add online recommendations in the comments for the other users (and for me...). Thanks!