Most people don't have too much stuff. They have too much stuff in the wrong place. The treadmill you use as a clothes hanger, your late grandmother's sideboard, three boxes of cables that might belong to something you still own. None of it is trash, and that's exactly why it's so hard to deal with - click here for more information!
Throwing things out feels productive until you're standing in the garage at 9 p.m. wondering whether you'll regret tossing the camping stove. Renting a small unit takes that pressure off. You move the maybe-pile somewhere else, get your rooms back, and decide about the stove in a month when your head is clear.
Mini storage works well for this because the size is modest. You're not renting a warehouse, just enough floor space for a few boxes, a chair, maybe a bicycle. The first month at 50% off makes the experiment cheap, which matters, since half of decluttering is simply trying a new arrangement and seeing if you can live with it.
Here's a rough way to run the weekend. Saturday morning, pick one room. Only one. Pull out everything that doesn't belong to daily life there and sort it into keep, sell, donate, and "not sure." Be honest about that last pile; it will be bigger than you expect. Saturday afternoon, wrap the fragile things, label boxes with actual words (not "misc," please), and load the car.
Sunday is for drop-off. Security matters more than people admit once they're handing their belongings to someone else. Look for a facility with cameras, a gate, and a lock that only you hold the key to. Ask how the units are kept dry, because a damp unit will ruin a mattress faster than you'd think.
After the move, walk back into the room you cleared. Notice how it sounds different, almost echoey. That's what extra space feels like, and it's weirdly satisfying.
Then comes the part nobody mentions: you'll probably go back to the unit once, grab something, and realize you didn't need most of it. That's fine. That's information. Put a reminder in your phone for three months out and go through what's in there with a cold eye. Some of it will leave for good, some will stay, and your living room will still be yours.