As noted elsewhere, we recommend having your audio mastered specifically for vinyl. The audio files you submit should be 24bit wav format files. Double-check your files before you submit them. It costs $500 to change audio masters once the factory has begun setting up its presses.
Bandcamp Support is experiencing an unusually high volume of emails from our wonderfully successful Friday COVID-19 fundraiser for artists and our responses may take an extra few days. We put together a list of common questions to help you help yourself in the meantime - power!