Sprinkler Warehouse and Amazon.com sell Hunter sprinkler controllers with customer reviews and ratings. Sprinkler Warehouse has videos that include directions for installation, programming and troubleshooting common problems.
Anyone can leave a review for a product on Amazon.com, so reviews from Amazon.com customers have labels that indicate whether they come from verified purchases. Reviewers who receive a product at a discount, or free, in exchange for a review must clearly state so. This information often appears in the last line of the review.
Amazon.com has a question and answer section for each product where both sellers and customers answer inquiries. Sprinkler Warehouse has a live chat feature for any questions or concerns.