The cost of a wood chipper/shredder can vary widely depending on the model and brand. Electric wood chipper/shredder typically have lower cost than gas-powered ones. You can find electric chippers for as little as $200 to $500, while gas-powered chippers range from $600 to $4000 or more. Additionally, the cost may also be influenced by the chipping capacity, features, and the overall durability of the machine. A more powerful and durable machine that has a larger chipping capacity and more advanced features will generally be more expensive than a basic model. It's also a good idea to compare prices of different models and read customer reviews to ensure that you're getting a good value for your money. Keep in mind that the cheapest option may not be the best one in the long run, if it lacks durability or features that will make your work easier and more efficient.