How do I use my Roomer credits? Phoebe Updated September 26, 2016 08:04 Follow Your Roomer credits will be automatically applied to your next reservation of $100 or more. There’s a minimum payment of $20. Having trouble? Contact us for help. Check out section 26 of our terms and conditions for full details. Get Booking Related articles What are Roomer credits? How does the seller price the room? Comments 0 comments Please sign in to leave a comment.