An example listing for the [Big Line] with a Tiny Punchline text shirt, made by Not Zero Yet
[Big Line] with a Tiny Punchline
This text shirt is only three months old, so it's an early signal and too new to call a proven seller. I rebuilt it as an example listing so you can see its format, and I left out the seller's name, product title and photos.
Funny and Sarcastic
What Works
A classic serif in all caps
A big first line
A small punchline under it, ending in a period
One color, centered high on the chest
What Sells
[Big Line] with a Tiny Punchline: 7 estimated sales since it was listed.
[Big Line] with a Tiny Punchline: 7 estimated sales since it was listed.

Potential profit on Etsy after fees: $7.24 to $10.95, depending on the supplier.

Use our calculator to do your own math.