From what I know, at least for Italian salaries, the cost of a computer to run a node isn't that high, we're talking about around €800 and let's say just over €5 for electricity per month. Automating it with renewable sources would cost you very little. I was thinking of doing it as soon as I moved so I could leave my contribution on HIVE, but one step at a time. Now all the money I can invest in the blockchain I want to invest in HIVE and stake it, maybe get to 10-15K HP. !BEER