If I could kindly ask for some advice please.

I don't know why but a little brain freeze on my part as I have had a few visa's in the past.

I am married to a Thai, live in Thailand on a "Non O" visa usually, child etc. I have a lease with my wife and family in both names etc.

I had returned to Aus in July 2021. Visa now expired as well as Covid Insurance etc .

I still pay 40k Baht per month in my Thai account as per requirements.

...

Ok, Here is the brain freeze, what is the cheapest and quickest way to return to Thailand.

Can I get a 30 day tourist visa, then do a Tm30 on arrival. Then go to (CW) Immigration and apply for a Non O visa. Or is that not possible, I need to get a visa here and then apply for an extension of stay based on marriage.

Also what would be the minimum visa I could get to minimise the spend on the Covid insurance just to get in before the extension of stay.

Thank you for any assistance.