Most of the time on those agency ads that promise that, the person taking the call will tell you right up front that that particular lady is not available but they have a "great" alternative that can be there in an hour.

And the call takers for the agencies can be pretty damn convincing that the alternative is going to be even better.  I actually know a lady that is a call taker -- she can sell you a complete Pig to come over.

Not saying I condone it... just saying she's got some Major sales skills.

The "If it's not me it's free" is just a lead generator. Hard up guy calls and wants somebody to come over... they have somebody.