Greg, amongst the many failed relationships there are those less published that are wonderful, successful and long lasting. Mine is one of those.....I wish you the best.
If you are a US citizen, there used to be a way to have a 100% I know, I've seen it - worth checking. There are restrictions on the business to protect Thai businesses so pros - there are none for your wife. In your name, there is legislation about hiring Thai national on a Thai/Foreign ration. I'd do some research. Plenty of info out there and on Thai government websites.