He said he meets the financials so why would it be difficult to stop using an agent? I assume the agent is just doing the running around on his behalf.
I've heard some of the digital YouTubers raving about Safetywing. Don't know how it compares to other providers. Just not worth the risk of not having insurance here.
Alan is the man to talk to at the 'Thai Expat Club' (just Google it). Alan will make recommendations based on your requirements. All I had to do was the medical and pay the premium. Great service.