Apologies for long post and asking a similar question before but need some clarification. (this scenario is all in theory)

So I will give birth to my baby in England in Jan from a Thai man, we are not married (I am British) He will not be present for the birth here in uk so will not be able to register the baby as his at the embassy in London... therefore not getting Thai citizenship until he does.

I want to move to Thailand with our baby maybe in March. I'll get a 60 day tourist visa and extend for 30 days if needed and keep doing so until we register the baby as his (I don't know how to do this so any info would be great about this too) Once the baby has Thai citizenship and has Thai ID card/passport I would like to apply for a non immigrant O visa for accompanying a Thai child. Also If I don't get my baby a visa before it has the citizenship, I wont get in any trouble for overstays etc will I?

On the embassy website it just says this:

'for accompanying a Thai child: A copy of Thai birth certificate, a copy of the Thai child's passport/Thai ID, a copy of marriage certificate to a Thai spouse or divorce paper/child custody paper (in case of divorce), and (3 months bank statement showing monthly income of more than £1,400 annually.)'

where can I find more info? We are not married... is it still possible? And I don't have that income at all, I also heard because I am a farang woman I don't need to show financial evidence but I haven't officially seen it anywhere. How long does this visa last? would I need to do visa runs? would I just do 90 day check ins? How much does it cost? When I get there I will just rely on by bf's income and I will not work... is this okay? When I want to come back to England for holidays will my visa finish and I'll have to do the whole process again? I imagine I'll be going back home at least once or twice a year.

Anyway thank you for reading this, I'm very confused and stressed out, I hope you can help. Any additional advice or info is welcome! TIA :)