What are recent experiences with the Thai E-Visa for a Non-O retirement visa while in Thailand?

The post seeks recent experiences of individuals applying for the Thai E-Visa for a Non-O retirement visa, specifically mentioning the challenge of applying while being in Thailand. A commenter notes that one must be outside Thailand to apply for a visa through the embassy, highlighting that the application requires the applicant to declare their physical location. Another commenter adds that obtaining a Non-O visa within Thailand involves depositing 800,000 baht in a Thai bank and applying at a local immigration office.