I've been thinking of a winter solution to gardening. All I think I would really want is fresh tomatoes, cucumbers, and maybe peppers. Something like this could easily be grown in a 4x8 or less area. I could do a greenhouse but why bother? I could put something together on wheels and move it into the garage on days where it's below 35 (?). I'm in NC so we don't get a whole lot of cold spells but it definitely would be challenging to keep a year-round outside greenhouse alive. Has anybody done anything like this? I could do a grow light and it would be near a southern facing window. Thanks!