Right there with you @andr3w1sh & @TomIrvine .  In my case, it's REI Coop merino t-shirts.  One concern I have over using an improper, or amateurish repair method is that it could create a source of skin irritation on the shirts.

Superusers do not speak on behalf of REI and may have received
one or more gifts or other benefits from the co-op.