Signed Books... FINALLY!!

What's that? I finally got my act together? Perhaps... We'll see how this works. I have people asking to purchase signed books from me regularly and, until now, I've been doing a few here and there but nothing consistently, timely, or in an organized fashion.
So, I went to the post office last week and spent twenty minutes running through various pricing scenarios with the very efficient postal guy there.
We're starting out with TTB and OTL, with purchases of 1-2 books. More books (my YA serie...