I'm just starting to plan mine.
Going to start with just a 60G flat tank. (48"L X 24"W X 12"H) Acro's only. I will be lining the bottom of the tank with either 3"X3" or 4"X4" square tiles, one frag per tile. As they grow out I'll be trimming them to hopefully have them grow out rather than up. Frag each grow out as needed to keep them to their tile space. Should have 20-25 colonies per flat.
I'll be selling online and locally, setting up a website to sell on EBay, FB auctions & through my website.
Equipment will be simple. 6 bulb 48" fixture, with two reefbrite XHO's later on. Oversized skimmer and siporax. Possibly a Fuge but not likely. All controlled via Apex. Lots of flow and light.
Did you end up doing a grow out of your own OP?