Professional Church Rater?

Today I posted this ad on Craigslist Seattle:

!Pastors!--I will rate (mystery shop) your your church--$50

I am an ex christian with a relatively open mind. I can attend your church
service as an outsider and give you honest, detailed, written feedback on what
it is about your get togethers that is attractive, and what is off putting--kind
of like mystery shoppers write for businesses. If you're interested, email me
and I can send you a couple of reviews which I've done previously, to give you
an idea what you'd be paying for.

It will be interesting to see whether I get any responses.