If I return my machine, will you reimburse me for the shipping costs? Matt February 17, 2017 20:31 Updated Follow No. The customer is responsible for all return shipping costs. Related articles How do I return my order? What is your return policy? What do I do if my 1260Ef heart monitor spikes and shuts down the machine? Are there any authorized service technicians near me? What are the warranties on Diamondback Fitness Machines? Comments 0 comments Article is closed for comments.