I was skeptical at first. But after being unable to find a doctor in my area that performed this service with regards to housing and after much of my own research, I decided to give myesadoctor a try. I have separation anxiety with my two cats and I paid a pretty penny to fly them back to my home state. I've never needed to obtain a letter for my cats before, but this service has been delightful. They contact you promptly over phone and by text. They are diligent in answering any of your questions. I even got an invoice emailed to me at my request. Very happy with my esa letter and two Pet IDs. I would have been paying $500 in pet deposit fees as well as an additional $100/month, thankfully after emailing my rental company with the letter attached requesting them to amend my lease (even after it was signed!) that has now been brought down to $0 . Will use this service again as each letter is only good for 1year.