ubonjoe

An easy way to get around the fine is to put a arrival date on the 2nd page within the 24 hours or so.

No But if you want to use your income from working to apply for a extension based upon marriage the minimum would be 40k baht.

You can check if the EMS tracking number they gave you it is for has been sent and when it will be delivered on this webpage. https://track.thailandpost.co.th/

You do your 60 day covid 19 extension at the same desk at Chaeng Wattana where you applied for your 30 day extension. Ask the front desk at the hotel for a screen show of the online TM30 report they did.

That is for the office the Lak Si. He will be applying at Chaeng Wattana since he entered on a tourist visa.

The crossing to Vientiane at Nong Khai is open but the last I read you have to enter with a tour group, Check with a travel agency in Udon about it. You need to be fully vaccinated and have a current RT-PCR test. There is info in this topic but it is little out of date since the bridge is open now. https://aseannow.com/topic/1222117-travel-restrictions-and-entry-requirements-for-laos-during-covid-19/?do=findComment&comment=17245569 To return you will need a Thailand Pass and $20,000 of medical certificate. Not a easy option but better than anything else at this time.