I would like to limit the number of reviews a customer can submit. For example if a customer has already left a review they will not receive an email asking for another review.
Background. Review services are expensive but google likes reviews. I send each customer a request for an honest review of my product in exchange for $5 off coupon on their next order. The problem is we are wholesale and most of our customers are repeat customers. The customers know to leave a review and get their coupon before placing their next order, which is ok with me. The problem is when someone reads the reviews they see "By Customer A" for a large portion of the reviews. This makes the reviews look fake since so many come from the same person. I'm sure google doesn't like it either.
Thanks