My haven most days is what Vlad and I lovingly refer to as "The Crap Shack". As of two months ago, it's actually paid for. Yes, I am officially a home owner with no pesky mortgage. It may be a crap shack, but it's now MY crap shack.
Even so, I do have a couple of havens to fall back on when I want a respite from the daily grind... and the endless "lake effect snow" in the winter.
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Now, if you want to see what other safe havens people have found, wander on over to the Cheese Shack.