Since Reverb is a marketplace full of unique sellers, shipping rates and shipping options vary by seller. That being said, a lot of sellers on the site offer Free Shipping and Free 2-Day Shipping. 

How to find listings with Free Shipping:

1. Head to Reverb.com.
2. Type a search term in the search bar and press enter.
3. Locate "Find a Deal".
4. Click within the box on Free Shipping and/or Free 2-Day Shipping.
5. The search results will adjust to show applicable listings.

When on the Reverb App, you can follow the steps above by utilizing the "Filter" option.

Further Reading:

How to Purchase an Item on Reverb
International Buying Guide
Can I Finance Gear on Reverb?
What Types of Payment Can Sellers Accept on Reverb Payments?
Can I Purchase Using Multiple Credit or Debit Cards?