Washing your buds is going to mess with the amount of keif the buds drop, anyway. A lot will get knocked off when the buds get dunked, so just a heads up on that front.
You could let it dry until branches can just snap off with no fibers trying to hold together. I'm not a fan of letting it dry this long anymore because too many terpenes degrade and you lose flavor. Between letting it dry that long and washing the buds, it won't taste very good. But, i hear it will be very smooth.
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I hope this helps!