Glue is too expensive to throw away if its still workable. Zpoxy has risen dramatically in my local shop. (exchange rates?)
Yup, dollar to pound etc. I would say we have had a 20% price increase on American Adhesives. Pity really cos they are damn fine at doing the jobs asked of them.
On the subject of the gooey epoxy, as stated early, immerse the offending tube in a cup of hot water for a few minutes and it is back to workable again. Also, it will stay workable for the life of the bottle. Been there, got the tee shirt, in fact many tee shirts