You walk into Joe's Real BBQ, get into line and grab a tray. The menu is gigantic upon the wall and you can pick your main dish selection. On my last trip, I had the pulled pork sandwich. Then, as you slide your tray on the counter, you pick your sides (you get two with each "meal" selection). I had their mac n' cheese... nom... and the corn... also delicious. And, of course you pay for your meal - I don't remember what my bill came out to, but I know it wasn't outrageous.
Then, you have your food and you can go sit down at a table. They have a large eating space with tables and booths and even outdoor seating. The atmosphere is very casual and a great place to eat some BBQ.
If you're not in the mood to sit and dine at the restaurant, they have an outdoor window located on the South side of the building where you can place your order, wait a few minutes and get your food to go.