: Many sellers cross-post the same item on multiple apps. Messaging ensures the item hasn't already sold elsewhere.
Why do sellers post a “message first before buying item”? : r/Depop before buying
: Pay with a credit card rather than a debit card for better fraud protection, and avoid using "Friends & Family" options on apps like Venmo or PayPal. : Many sellers cross-post the same item on multiple apps
: Ensure the website URL starts with https and displays a lock icon in the browser bar. before buying
: Sellers want to ensure the buyer has read the full description, especially if the item has specific flaws or unique sizing.