In this hobby, you should always share the wealth. That is true both in knowledge and unique corals.
While my main tank still resembles a frag tank with the mini coral pieces, I am actually thinking about setting up an additional 20 or 29g tank to exclusively house frags I would trade or sell with.
Unfortunately I don't have a lot of space to work with so right now I'm debating between setting it up in one of the rooms I have or to setup a small tank under the 90g to house the frags. The latter is preferred assuming that I can organize the cabinet in such a way that it would not be a hassle for me to change up auto-top off water and get access to the frags. Yeah, it would be nice if I can move some ghetto looking stuff around so the general area wouldn't look so bad.
More to come...