After you hit subscribe it takes you to paypal's website to finish the transaction. The way it works on my end is I get two emails. One that contains the stats of the requested VPS, and then I get an email from paypal saying that the new recurring VPS payment has been created. If I get both emails then I create the VPS and email the credentials to the address that was submitted. A lot of people "test" out the VPS page though so I get a lot of requests for VPS which haven't been paid for. I generally just ignore those.