Constance....Use totes and either keep or toss. If it is something nice that someone might be able to use take it to Goodwill, Coordinated Charities, etc. Put names on totes for children or grandchildren. I do one room at a time and try to include closets also.
Good idea to do it one room at the time and finish it before messing another room! I u
Make a list of things you would like to do in every room. Do one room at a time. Cross off the things you complete on your list. Expect it to take a few days or more to get it all done!
Easy, have a checklist! I work room to room. I hire out window cleaning spring and fall.