Its costs something, yes - but the fact that effectively the entire professional development community is well aware of Heroku's offerings, have had good experi

Its costs something, yes - but the fact that effectively the entire professional development community is well aware of Heroku's offerings, have had good experiences with them, and most have direct knowledge of how it all works is also worth something. I'd wager that's worth significantly more than the few seconds of compute most of us have gotten in exchange.