You won't get much of anything. Please re-read the hub that you found. The criteria includes size, color, placement, and whether the artist has to draw it. You may also find restrictions such as shop minimums in place.
Also, remember that you have to tip, so let's say you tip $6, that leaves $20 for the tattoo. You may be able to get a small circle or something.
I know some of the shops around my town will do $13 tattoos on Friday the 13th, but the customers have to choose between a handful of dime-sized tattoos in order to qualify.
Unless you know someone, you will pay more. I got one of my tattoos for $50 because that was the shop minimum. The tattoo artist was my at the time boyfriend's best friend. The tattoo is still iffy, even though he's the professional. I need it touched up, but I'd rather get new ones than touch up the old. (I have not gone back to that artist since that tattoo though, and have paid a more for better quality with my ex's old boss.)