That's not the use-case for this product. You can fiddle around with a single card till you get it right and then run the real job on EC2 where you most likely

That's not the use-case for this product. You can fiddle around with a single card till you get it right and then run the real job on EC2 where you most likely order dozens of these machines and run them for weeks/months. It's rarely economical to purchase hardware at that scale, unless if you are AWS renting out computation to others. At that scale you have to think about way more cost factors than raw hardware cost.