It looks like you're new here. If you want to get involved, click one of these buttons!
My suggestion is to light a fire and play with the vents for a while to get used to what settings get you what temperature.
Once comfortable, start out with chicken or burgers as other have suggested. When cooking on an egg an instant read thermometer is the ticket. Most here use Thermopen from Thermoworks. When you open a hot egg to check temp you want a fast one so you dont lose heat and burn your hand holding it into meat for 20 seconds until you get an accurate reading.
Start saving up money now for eggsessories. In the meantime, go to Lowes and pickup some firebricks. Set them on the inside right on the fire ring. This will allow you to put your grate ont op and get the cooking surface at or near the felt line. This allows easy access to food and the higher in the dome you get the better the results for things like chicken. In a few months you will be searching for some accessories.
Take picutres of your cooks and ask questions. A lot of experience on here. Oh, and your gasket will eventually fail so dont freak out when that happens. Good luck and welcomes.