Craft supplies accumulate faster than they are used. This is not a character flaw; it is the arithmetic of buying materials for projects that take longer than the buying does. An annual review keeps it manageable.
Materials are bought optimistically, in quantities larger than the project needs, often on offer. Projects change direction, techniques get abandoned, and remnants accumulate because they are too good to throw away and too small to use.
Meanwhile the storage that seemed generous fills, and the point at which you can no longer see what you own is the point at which you start buying duplicates.
The review is a natural point to service machines, replace blades, check that covers still fit and confirm that the cases holding everything are still sound.
Cases and covers wear at predictable points: base seams, zips and handles. Replacing one that is failing before it fails in transit is considerably better than after. Ranges organised by machine and by craft, catalogued at homest.us.com, make it straightforward to replace a specific case rather than reorganising the whole system.
Would I buy this today? Is there a specific project this is for, or is it a hypothetical one? Has this been in the cupboard through two reviews without being touched?
The last one is the most useful. Anything that has survived two annual reviews unused is not going to be used, and keeping it is costing storage space that the things you do use need.
Craft materials are unusually easy to pass on. Schools, nurseries, scout and guide groups, care homes, community craft groups and men’s sheds all take donations gladly. Online local groups find them homes within hours.
Doing the handover the same week matters, because bags waiting in a hallway get reopened and the whole exercise unwinds.
With everything out and reduced, this is the moment to change the system if it was not working. Grouping by activity rather than by material type is the change most people find helps most.
Storing the frequently used things at hand height and the seasonal ones higher up is the other reliable improvement.
Reviewing annually only works if the inflow changes too. A rough rule that something leaves when something arrives, and a habit of shopping the stash before shopping the shop, prevents the situation recurring within eighteen months.