Cowboy, listen to Bob Henry. Don't use the insta light charcoal or a cheap brand. The insta light burn too fast which means you will use more charcoal, which means you will go through your bargain brand charcoal much faster. Kingsford can be bought on sale at Home Depot - just check with them each Sunday or Monday or watch for their sale papers. They usually have 2 bags for a good price.
I don't know if your dutch oven is seasoned or not but I found the best way to do it is to fry chicken, fish or whatever in it a few times. And if you can do it outside, your mother would love you more. I'm a messy fryer so take that comment from experience.
To light Kingsford charcoal, just put them in a charcoal chimney with a bunch of newspaper bunched up under it and light the paper. It will take a little bit for all the charcoal to get going but it's so much better than the insta light charcoal. I do use the insta light ones when I'm camping and want something fast for the BBQ pit but I honestly prefer to use regular bricketts - no stinky smelly charcoal lighter fluid smell either.
Let me check in my camper bag and see if I have a copy of the brickett calculator. It's a good thing to have on hand. Also, Google dutch oven recipes and they will tell you the amount of bricketts to use for each recipe. Heck, I think Mike has a D.O. cookbook that can be downloaded on the forum.
Just remember that you have to turn the oven about a fourth in one direction and the lid the same in the other direction about every 15 minutes to cook evenly. Take your time and enjoy it!