@Randy *******
there's a BETTER idea IMHO.
Get the 60 days family visit extension..
Then...
Go to Savannakhet Laos and apply for the Non O multi-entry Visa as Married to Thai...NO PROOF of the 400,000 Thai baht needed in your Thai bank account.
Gives you 90 days on arrival into Thailand Plus one 60 days family extension of stay...
Then bounce out again and re-enter getting another 90 days stay Plus one 60 day family visit extension.
Repeat until the end of the one year validity of this Non O multi-entry Visa. .
With planning you can get up to 15 months...
Then return to Savannakhet and apply for a new Non O multi-entry Visa as Married to Thai.