The Declutter Question: If I didn’t already own this, how much would I spend to buy it?

I just bought a few new t-shirts to wear during the day. They will make up my work-at-home attire. My rule is, however, that I cannot have more t-shirts than I can fit in one drawer and I have to wear the shirt that is furthest to the left.

So, I need to get rid of a few t-shirts to fit the new ones.

The question Marie Kondo suggests we ask when deciding to declutter/eliminate a possession is:

Does this bring me joy?

I like the question from Greg McKeown’s book, Essentialism, even better:

If...