Once you've studied the photos and are ready to pull the trigger on a given car, just click buy. You can pay in the usual ways, of course, or with a bunch of credit cards...or friggin' bitcoin, if you want.
They'll send someone to the seller's house, load it on a flatbed truck, polish it up, slap a bow on the front, and head to your driveway, where they'll also have you sign the relevant paperwork.
Take that, used car salesmen everywhere.
Aaron Miller is the Rides editor for Supercompressor, and can be found on Twitter. He's extremely picky about his vehicles, but he loves the attention to detail at play here.