What is the cheapest setup to run a full Ethereum node for light clients to connect to?

I'd like to set up nodes that are performant enough to keep the network in sync and provide a peer for light clients to join. Not interested in joining mining pools, just running independent nodes that help the network in some capacity. What's the cheapest way to build a nodebox? I know the storage needs to be crazy fast and good, but how about the rest? Anyone have a decent recipe for getting geth to run on the cheapest-to-run possible machine (something like this but more accessible to the rest of the world – not able to get the board in Croatia).

If there's a way to keep it under $500 one-time-cost for long-term running and under $5 per month in electricity, I want to spin up around 10 of these independent nodes, one to three at each office location we have, each doing its thing and pumping redundancy into the network.

Submitted September 10, 2018 at 09:51AM }
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