Knowing when it’s the right time to walk away is an important part of negotiating, and it comes back to the quality research you should have carried out upstream. If you’ve identified compatible competitors for the products you need, you’ll have more leverage to use to be able to successfully walk away if you aren’t able to reach an agreement. Sometimes simply walking away gives the supplier time to rethink how much they’re willing to work with you in order to close on a sale on their services or a contract for their product. Other times, you’ll simply not be able to come to an agreement on a specific item and you’ll have to go with a secondary supplier. As long as you’ve kept the negotiations professional and refrained from pushing the supplier, there is nothing that’s stopping you from working together on other contracts in the future.