Good morning

I would like to ask:

1. For long stay 1 year married visa (400k in bank) after get this visa, have to re-entry if we have to travel to other country right? If yes can we do at the airport?

2. For this visa have to do report every 90 days, they said can do via internet but some people say cant do coz link to website have problem and have to go report at Changwattana immigration, any advice pls.

Thank you so much.