Steve23 I get your uncertainty. Saw your post and wanted to help out, cuz I was the same at first and know how it is.
I'm always on high alert and I've been to 4 diff locations in the SF valley. All I can say is, they've all been legit, no LE and no sketchiness.
Services rendered as agreed without a problem. I use the same contact every time (info on posts) and TT always comes thru.
So I can personally say, SA is the Real Deal.
With that said, IMO, always go w your spidey senses.
Hope this helps