Most people begin with a cheap bbq smoker. It can be 20 inches in diameter and has about 3 feet in length like Weber smokey mountain. It has the temperature gauge that reads hot, warm, and cold. It also contains two different porcelain pans so that you can hold charcoal in the one and water in the other.
The charcoal gives out heat and smoke when you fill a good amount of charcoal, wood in it. And it will produce a very good amount of smoke and will help you prepare smoke food then you out wood over the charcoal. You can also pour wine, herbs and other favors in the hanging porcelain pans. You can also use it to place water in order to produce some steam. The major disadvantage of such kind of bbq smokers is that they have a very low capacity and can only smoke about 20 pounds of Turkey.
Other popular cheap bbq smokers are -
If you start preparing your food very early in the morning and keep on putting in more charcoal into it than it will probably remain hot. Such kind of smokers will cost between 40 to 100 dollars and are easily available in the market.
There are many other smokers available to choose from like Meco, char broil smokers etc. If you are planning to just cook simple food for yourself and your family then probably you have a lot of options to pick from.