You can extend your 180 days by 180 days every year for the 5 years. Extension in country at immigration office. Watched a you tube video with Thai immigration minister explaining DTV
60 days entry for Brits, get the Grab and Bolt app. When half the family turn up for meals at your expense dont have it. It may be all Roses and rooting but then its going to cost you...walking ATM. Dont be that guy. Have a great trip