the south is much better in terms of air quality, less smog and pm2.5, better live away from high risk flood areas, and not live too near BTS as it maybe quite noisy, and try live in high floors and away from highways to avoid noise and air pollution, less than one month airbnb is illegal
also, any impact or tax liability arising out of new tax law starting jan 2024 for remittance of money into thailand? especially if large sum, for example, buying real estate