I love to grow fish out. I don't buy fish for the present, but plan for the future. I don't need fish to fill out my show tank, but to replace fish when they die or I get tired and get rid of. My grow out fish is like a conveyance belt, always ready to move up their places. I rarely buy adult fish because they are hard to introduce into an established order. Smaller grow outs fit in better to establishment as they pose no threat, and can hide or escape better. Adult fish don't worth the value to me as they may be over the peak. I much prefer juvies for better value, choices, and availability.