You got me down to the bottom of my greedy heart...
If you're on a low budget and want to BBQ, you could dig a hole in the ground and burn some wood chunks. After the flames have died down, throw in some root vegetables like potatoes, yams, etc. After about an hour, the skins will turn black and burned. Peel off the skins after it cooled and you will have moist cooked potatoes. This method of cooking goes back to thousands of years as primitive man has cooked this way and still does in parts of the world and it is also featured in Steve Raichlen's book ""How to Grill", which is probably the most famous BBQ book of all time.
Another technique is digging a hole in the ground and throw some chicken pieces wrapped in foil to smoking burning wood pieces. Fish works too. You can put a brick or a long flat rock on top of the foil wrapped meat to secure the heat and it will cook a little more evenly.
After it's done, you have great low budget BBQ which will most likly taste better than other people's gas grill method because of the real wood flavor.
I use real wood with my BBQ.