A seed phrase allows you to restore your wallet with the bip 0049 and bip 0089 standarts in other wallets. An opportunity to label addresses and transactions and also an apportunity to search through them will allow you to quickly find the transfers you need.
With 10 confirmations like in all markets, money is available on market. An order for an item needs on average a few seconds if you know what you want and the cozy look in the categories do not count. I have never ever experienced anything like this on a another market before and I've been shopping on darknet markets since 2012 at Evolution and that means a lot.