Unless you have tons of help or are highly organized, get a moving service.
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Even if you do all the packing yourself, their efficiency can be utterly incredible. We packed all of our own materials, so our moving service just carried the boxes to the new house. It still took seven hours, but I estimated it would have taken me twenty or so by myself (my wife is pregnant and can’t help) and somewhat less with friends, but still not anywhere near that efficient.
