tie up with amazon refers to forming a strategic partnership or collaboration with Amazon. This could involve becoming an Amazon seller, utilizing Amazon’s Fulfillment by Amazon (FBA) services, or even working with Amazon’s marketplace through various third-party partnerships. Tying up with Amazon allows businesses to leverage Amazon’s vast customer base and fulfillment network, helping to expand their reach and grow sales. Such partnerships can be beneficial for companies looking to tap into the e-commerce giant’s infrastructure and global presence.