We recommend that sellers ship their items within 3 days or less to avoid disappointment with buyers. We understand that this is not always possible though, so if you're expecting delays, it's best to let customers know via DM so that they don't worry! If you reach an agreement with your buyer first, you’re more likely to avoid negative feedback.
We understand that handmade items may take a little bit longer to be shipped, so if your items are made to order, just make sure that you include the processing time in the description so that the buyer knows this before they purchase.
Buyers are entitled to request a refund for items which haven't been shipped after 7 days (excluding made to order items where stipulated in the description), so bear that in mind if you are expecting delays.