Even if you have the space I'd caution against it. Cleaning out my parent's house after my mother's death was a chore, and they weren't hoarders in the classic sense but they had a lot of stuff. Thousands of family photographs, in boxes, that had never been organized or put in albums. Clothing, in suitcases, that hadn't been worn in decades. Toys from my childhood. Furniture with almost zero resale value. It all went in a dumpster. It was emotionally draining to get rid of some of it because I had memories attached to it. The thing is, if they had gotten rid of that stuff themselves, I would never have missed it. Even after all that I probably ended up keeping too much of it. I now have several shelves in my basement with boxes from my parent's house, that I have never opened since bringing them home.

I have promised myself that I will not leave that kind of accumulated junk for my kids to sort through some day, but I honestly wonder if I will get around to doing my own purge. It hasn't happened yet.