Ask HN: I'm going to start working remotely soon, what should I know/use/buy?

I'm going to begin working remotely soon (I joined early and have worked with the CEO and other core folks before, so it wasn't that hard to convince folks). Do HNers have any advice (financial, work-life balance etc)? I'm going to be earning in the US while I live in Antwerp, Belgium.

See original comment and some feedback HNers provided here: https://news.ycombinator.com/item?id=7773806

Any particular apps or techniques for working for someone on a different timezone?