Art – for licenseQuote, I would sign up for a plan and and then I would have an option to not have the tracks for sale?
Yes and do not upload files to their server. You would point the file path to your location on S3. The easiest way is to create a spreadsheet and import into LicenseQuote
Amazon charges by a combination of storage and traffic. I have all of my project files, mixes and personal files, literally tens of thousands of files and my charge is about $40 per month.