No harm, no foul...glad it all worked without incident. That all being 'hindsight' now, next time start with a big "No!".
We've sold things on Craigslist, and I did have the individual come to my yard, but I called him at his work number...Univ of Florida/Professor...I figured it'd be OK, and...I was armed!
One cannot be too careful...'stuff happens'.