Too much stuff

We have been spending so much time moving all our stuff, trying to sell stuff, practically giving stuff away.  If I could go back in time, I would not allow so much to accumulate.  Maybe have a plan to have a yearly yard sale. Go through drawers and closets to dejunk.  Give to charity.  Keeping things organized would help with overbuying.  I wouldn't buy more if I knew how many I already had.