This is exactly what I am experiencing now. I am determined to get rid of the crap. Started 3 months ago. Half the rooms in my home are now neat and tidy. It is such a relief to just walk into an uncluttered room. The other half of the house full of clutter. I am constantly cycling through the junk. Some I keep, some I throw out. Then the next week I cycle through it again and throw out some of the crap I kept from the previous week. It is kind of like getting over an addiction. I figure the whole affair will take about 6-8 months BUT every week is a step closer.
One thing that brings me joy is giving something to kids, friends, neighbours, workmates. See their faces light up when they get a free gift that was your junk. Maybe most of what you have is junk but I'm sure many things would make nice gifts. I gave a friends young daughter a book on' interesting things to do and make'. I asked later if she found anything interesting in the book. 'Yes, I like the part that shows me how to tie knots.' So I got her a length of nice rope. Another smile on her face.