Is Cafepress.com one of the best businesses to go through as far as selling my stuff online?

I was looking into setting up an online store with cafepress.com, but wanted to know if anyone has had a horrific experience with them? Thanks for the help!
Update: I was looking into setting up an online store with cafepress.com where i could create designs for t-shirts and have them printed up and sold, but wanted to know if anyone has had a horrific experience with them? Thanks for the help!
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