Just interpret "it costs" as "it costs the user" and use the plain English definition of cost as "asking price, market price, or selling price" and you'll arriv

Just interpret "it costs" as "it costs the user" and use the plain English definition of cost as "asking price, market price, or selling price" and you'll arrive at the original poster's intended meaning. I assume that for the second part of your comment, you consider "Regular physical mail" to be letter post, because we will always need packages to be delivered.