Pretty much what John said. I’m a big boy now and can figure things out myself, make up something plausible or pick my friends brains.
It is of course nice to be able to fire off queries should the need arise, and games forums are a good place for that.
As I designer, I do get queries from time to time, either by email or through my blog, and I do reply. But as I give all this stuff away for free, don’t expect commercial levels of post sales service.
"Mistakes in the initial deployment cannot be rectified" - Helmuth von Moltke