Bangkok is an affordable city to visit as local expert Lee Cobaj explores, with a round-up of the best-value hotels to book Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Buoyed by bullish investment, Bangkok has been going through something of a metamorphosis over the