Dealing with objections is an important part of the sales process, and it's important for salespeople to handle objections effectively in order to close more deals. However, there are some common mistakes that salespeople can make when dealing with objections.

Here are a few examples:

1. Not listening: One of the biggest mistakes salespeople can make when dealing with objections is not really listening to the customer's concerns. Instead, they may try to jump in and offer a solution or rebuttal before fully understanding the objection.
   
   
2. Being defensive: When a customer raises an objection, it's important for salespeople to avoid becoming defensive or argumentative. This can make the customer feel like they are being attacked, and can damage the relationship between the salesperson and the customer.
   
   
3. Ignoring the objection: Some salespeople may try to ignore or downplay objections, hoping that the customer will forget about them. However, this can make the customer feel like their concerns are not being taken seriously, and can damage trust and credibility.
   
   
4. Focusing on features, not benefits: When responding to objections, it's important to focus on the benefits of the product or service, rather than just its features. Salespeople who only talk about the features of the product may fail to address the customer's underlying concerns or needs.
   
   
5. Rushing to close: Finally, some salespeople may try to rush the customer into making a decision before they are ready. This can be off-putting and can cause the customer to feel like they are being pressured into something they don't want.
   

To avoid these mistakes, salespeople should take the time to listen carefully to their customers, understand their concerns, and focus on the benefits of their products or services. They should also avoid being defensive or pushy, and give the customer time and space to make a decision that is right for them.