If you're in Ontario, you can easily book a UPS pickup through your ShipShop Account.

On your ShipShop dashboard, select 'Schedule a Pickup'. Select the carrier as UPS. Click on the package that you want to schedule a pickup for. Select the date for the pickup. 

Depending on where you are, UPS can come and pick up your shipments and bring them to a ShipShop location for processing. All you need to do is consolidate your shipments into one box, then attach the UPS pickup label that you generate in your ShipShop account.