Trading bots TF2 take a look at the item you have to sell and then make an offer based on it and based on the price range and other criteria you select. By making you an offer, the bots make the process faster by eliminating the need for a third party. So, it will be much easier to obtain the desired items.
The good news is that platforms usually have more than 1 bot, which ensures that you always get high-quality service.