Etsy provides instructions for downloading a digital purchase:
https://www.etsy.com/help/article/3949

Message me if you'd like to see if I'm available for this when you're considering a purchase. If I am, we can set up a custom listing for a printed version. I don't offer this option by default because I work full-time outside of this business and have a small child.

Printed rates for card/envelope pairs:
$10: 1 card
$15: 5 cards (4 cards if it's a 4-per-page design)
$20: 10 cards (8 cards if it's a 4-per-page design)
$2/card: 20 or more cards

Printed rates for other items:
This varies. Ask about the specific item you're interested in.

Shipping rate and timeline:
These vary. I'll calculate both based on the size and nature of the custom order.