I'm already running an offline store so I'm sure that I'll get multiple orders on my online site as well. What options do I have in case I want to process multiple orders and arrange a pickup at one click from the same pickup location?

StoreHippo provides you the option for processing multiple orders simultaneously in an effortless way. You can select the order in bulk and perform the following operations using batch commands:

1. Generate bulk shipping labels
2. Generate bulk manifests 
3. Generate bulk invoices
4. Print bulk invoices
5. Generate bulk pick-ups

Please refer the following help center topics to guide you for bulk order processing:
https://help.storehippo.com/topic/generating-shipping-labels-and-manifests-in-bulk
https://help.storehippo.com/topic/generating-invoice-for-order
https://help.storehippo.com/topic/print-invoice-for-an-order