Unfortunately, the buyer later wrote to say the shirt had a hole in it and demanded a refund. I asked for a picture and, when they wouldn’t produce one, denied their request for their money back.
Well, she didn’t like that at all and actually threatened to turn me in to eBay for ripping her off.
I promptly refunded her money, which meant she kept the shirt and the cash. And after that, I wrote off eBay as a potential source for side income altogether.