How do you mail files that are several hundred megabytes in size? Also, you need to store these somewhere, which costs money. I might be wrong, but it seems you

How do you mail files that are several hundred megabytes in size? Also, you need to store these somewhere, which costs money. I might be wrong, but it seems you missed a few critical parts of why people use Gumroad. You should take a closer look at their audience, there is a sizable segment of people that sell 3D models, textures, etc.