This is the only item you will need. It smokes, grills and bakes.
The Big Green Egg. Very easy to use.
Also VERY EXPENSIVE! This guy appears to be just a parttime, start up, smoker. Since you’re just getting started, I suggest an Electric Smoker.
Lowes sells an Electric Smoker for about $120 Bucks. Check it out. Also Bass Pro Shops & Cabela’s sells them as well.
Google Electric Smoker and you can explore all different ones.