This has been a serious deficiency for a long time in Roll20. Back when I only purchased the occasional module for my own convenience it was no big deal. But now that I am streaming games and I want to support other creators by purchasing maps and tokens for the homebrew games I create, I find myself wanting to assemble a group of several map and token and artwork packs at once, and the tedium of buying each one individually instead of putting them in a cart and making one purchase like every other 21st-century online shopping portal is a real chore. For crying out loud, folks--it's not rocket science. Let's get with the program, Devs!