Clearly you donβt have any experience with Prachinburi and your personal feelings donβt amount to bugger all, if they are deciding your visa extension you have to play by their rules. I'm not sure you understand what the rules are good luck with subbmitting emails with your extension.
My local immigration office (Prachinburi) have told me they want a 12 month bank statemnt produced by the bank with rubber stamp showing 12 international payments.
I've been through this process the only issue (other than the extra paperwork) is that the imm office was not keen to do it (try to put us off) but it was ok in the end.
The "normal" visa extension is 1900THB a year, so your paying dearly for it, but if your under 50, not married to a Thai and don't plan to make an heavy investment here, it could be worthwhile. There are benefits with the Elite you should check out.