he has been in Thailand half of his adult life, married for part of it yet still doing the border runs …. I can see how he will establish himself as a go-to-adviser for certain part of the membership of this FB group.
If I were you I would pay 2000 without hesitation. The rest of us who cannot verify income must deposit and KEEP there 800,000 baht on a Thai bank account. Doing the extension yourself you are also additionally making substantial savings.