Always great to hear about somebody helping a fellow RVer...I know the feeling as I was recently on the receiving end when my trans let go.
Welcome to marketing in the age of connected social media...it's no longer good enough to take out an ad and tell folks how good you are...you need to SHOW them, and then get them talking about it and telling their friends.
So in addition to being a great guy for going out of his way to help someone that really needed his expertise, Anthony is also a very smart businessman. All you 6.0 owners take note of where to go when you need a go-to guy to fix it right.