Cheapest with incoming gofundme afterwards. Hansemerkur is great for me. Roughly 400ish Euros for a year and they cover absolutely everything. Don‘t be a cheapskate when it comes to insurance in the 3rd world.
It’s not an agent. This is directly with the company behind Thai Elite Visa. You need to get your visa “affixed” at Chaeng Wattana with their liason there.