The document discusses how to obtain an emotional support animal (ESA) letter. It states that an ESA letter from a medical professional allows individuals to keep their pet with them and travel with their pet. It explains that to qualify for an ESA, one must be deemed psychologically or emotionally disabled by a doctor. It then describes how the website dogtoronline.com offers affordable ESA letters by having a doctor review applications and issue letters to those deemed eligible. The letters can then be used to keep an ESA despite landlord restrictions.