Designer Bags on Amazon

I purchased a Moni Moni red hobo from Amazon about a month ago. 2 weeks after I received it I noticed that it went on sale for about 1/2 offf. I call them and they PAed for me right away. Great customer service. The bag is authentic and sooooo soft and beautiful.
 
I bought a Fendi through Amazon that was listed from Jomashop. It was the same price as on their site, but since it was through Amazon I could use my gift certificates.

It took about a week to come, and it was authentic.

I think you just have to watch who the seller is - I trust Jomashop and Amazon, but not sure about any others.