You can enter Thailand with the standard 2 month visa exempt and then apply for the standard 1 month extension on a visa exemption stamp and subsequently visiting thai family extension for another 2 months which is for people who have thai spouse. This way you'll have 5 months in Thailand. You will have to exit the country for sometime and stay abroad for a cool off period and then return back to Thailand and repeat the same cycle. This is your best bet to stay with your wife for a longish duration if you aren't able to apply the standard thai marriage visa for foreign spouses of thai citizens
Express translation at Pathumwan. They did mine for
*****
baht all paperwork included.
If one partner is a Thai then the rates are
*****
baht, if both the marrying parties are foreigners then their fees was
*****
. I personally saw that they registered marriage for a Chinese guy and American woman couple while we were there for our own business.
We also had contacted several legal agencies that quoted exorbitant prices which was unbelievable for us so we decided to explore our options a bit before finalizing and in that process we came across express translation