Barbara,
We have bought several things on line with no problems... always make sure when you order there is a little lock icon on the bottom blue bar - this means the site is secure.
Amazon, QVC, the few times I have used Ebay have worked out fine using PayPal.... one thing I'd never buy on line would be shoes

some things you just have to try on...
Of course wouldnt buy an animal on line BUT after seeing so many cute puppy pics lately I could be tempted to "borrow" one for a while

...
just kidding Princess and Mocha ...maybe