The web app was made by my wife while attending Hackbright Academy in SF. I'm really proud of how much she's progressed in such little time, so wanted to share what she made with everyone.
NB: you can change the endpoints graphically. Though it's gotten caught up on an unnecessary roundabout, as if it were a way-point (even retracing the route to include it...).
EDIT: Disregard. Found the elevation data:
http://blog.programmableweb.com/2010/03/25/google-launches-m...
http://googlegeodevelopers.blogspot.com/2010/03/aint-no-moun...
I personally think it's fine.
The price (at least for me) was not a _frequently asked_ question, but rather the _very first_ question I thought of asking.