I have a reef set-up and I go away to Mexico for 2 weeks every year.
I do have an ATO but no controller or doser's etc.
I just had someone check on the tank every few days and feed the fish (daily), and a back up SW keeper on call in case anything went wrong.
I would suggest sticking to a FOWLR at first until you get into it more but I think you do do it easy.
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One of 'em's me,...the other's not you.
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