That's not building an anthology. I admit it would be less snappy to call it "Perfect bind a bunch of random stories you picked out yourself and own this fake book." Probably not good marketing.
An anthology, properly done, is a more cohesive thing. Its stories fit together in a subtle blending of tone, theme and stuff. Really. I believe that.
From the writer point of view you might get someone to take a chance on your stuff. That would be good.
From the purchaser point of view, it's like a music site offering to burn you a CD with a nice paper insert. In my mind that seems like offering to charge you extra for something you don't really need.
In my arrogance, let me add...
An anthology, properly done, is a more cohesive thing. Its stories fit together in a subtle blending of tone, theme and stuff. Really. I believe that.
From the writer point of view you might get someone to take a chance on your stuff. That would be good.
From the purchaser point of view, it's like a music site offering to burn you a CD with a nice paper insert. In my mind that seems like offering to charge you extra for something you don't really need.