it's not a given, immigration can always just outright refuse to give the 7 day get out of Thailand option. The stamp pretty much says that the extension was rejected and you get 7 days to get out of Thailand from the date the passport gets stamped.
Hi Mark, thanks for your advice. As the saying goes, if you teach a man how to fish then he can feed his family for life. I'm teaching him how to fish. If you wish to be an as*hole and narrow the OPs education then be my guest.
the driver can change the amount, as I saw firsthand on Sunday. My 200 odd baht charge to Swampy got changed to 3 baht by the driver with me giving him the difference in cash.