How to Do Local Pickup on Mercari:
First, make sure that local pickup is available to you on Mercari. This feature is not available to all users and all areas. Learn more here.
Next, make sure you have provided Mercari will your home address for local pickup. You can do this by editing an existing active listing on Mercari to include the local pickup option.
Then, going forward, you can edit your Delivery Option on the Mercari form to include local pickup;
Here, you can select Shipping, Local, or both for your listings.