No no no!
Do the deal. Take the gig. Take the pics. Agree to do the job!
Now about the pics. Oops, the camera lens had some junk on it. The “groom” is not in any of the pics. Sorry, most of the pics are of the sky. Darn, my hand was shaking. Etc...
One more thing. Get the money up front and have them agree that they have no say-so over the quality of the pics. And, thee is NO refund.
So you're saying to expend all that effort and expense, and in the end have to give a full refund to the customer?