In order to powder coat, you will need some type of oven in order to cure the powder coating. You will need an oven that is capable of sustaining 450 degrees and it will have to be large enough to fit your powder coated objects inside of. There are several different options available to a beginning powder coater and they will be discussed in this post.
The cheapest powder coating ovens that you can use to start with if you don't want to spend too much money are: a toaster oven, a household oven, or a propane grill. You can also get lucky and find a cheap commercial oven. If you have a larger budget, you can build or buy a large dedicated powder coating oven. Powders coating ovens are one of those things where the price goes up gradually with the size until you pass household oven and then the price jumps into the thousands of dollars range. An oven you could fit 4 wheels or a bike frame would cost you $2000 or more. If you want to an oven that will fit a car, you're looking at $10,000 to $20,000.