Good thing 1: Zero burocracy. You get in the office, pay what needs to be paid and in a few seconds you have the keys of your car, which will be right in front of you.
Good thing 2: it is inside a gas station, so you can easily refil it.
Good thing 3: It is all paperless.
Not so good thing: they always find some tiny little hidden damage that no one has seen before and ask you to confirm and pay for it. If you are not fully covered by an insurance, prepare yourself for some surprises debit in your credit card.