It was showing 18 payouts left and I reviewed about my DJI Inspire 1 (Zenmuse X3) on the site yesterday(24 hrs back). I am yet to receive my payment.
Check your email. You have to submit a photo that contains both your drone and today's date written on a piece of paper. This how I'm authenticating that you actually own the model.
Submitting a photo that contains only a piece of paper with today's date on it proves nothing:
https://dronecheap.net/drone/dji-inspire1#reviewsPlease check your mail I have attached the required picture.