Best options for shipping books?

Hey there!

I have a question regarding shipping (books specifically) and I'm wondering if anyone has found a good solution.

We have a client who is utilizing USPS Media Mail to ship her book, but has to go in-person to the post office to send her shipment. This isn't currently a huge issue, but she is starting to do more volume, and the process of going to the post office will become more time consuming as she scales.

I've discovered that you may be able to print Media Mail labels ahead of time through PayPal, but does anyone know if it's possible to schedule a pick-up for a Media Mail shipment? Or do you absolutely have to drop off those shipments at the post office?

If that's the case, is there any better option for shipping books at volume?

Thanks!