I am planning for a new GH within a year or so. I grow mainly miniature botanicals on mounts, as a serious hobby, no gardener/care-taker. Is it possible to have a GH that is too big? Standard answer is "no", but I think there is a difference between a collection of Grammatophyllums and a collection of Platystele. Pots in single level shelves is different from hanging racks with multiple levels. Given that a GH makes its climate in part by it being filled with plants, an empty GH is not helpful to the plants either. Given my preferred plant size/type, what do you think is the most a single person can handle in terms of number of plants and/or square footage? Currently I have around 2-300 plants, pretty crammed, and that is certainly doable. 500-1000 plants sounds about like the top end. I am thinking of 300-500 sqft, with a potting/mounting station inside. I wonder whether even 500 is too big and 300 might already be generous. Any words of wisdom?