From what the weather is going to be like tomorrow to how the housing market will perform next year, life is full of challenges that are difficult to predict.But an unpalatable truth about the future is that, as we age, we are likely to get poorer and less active – and the kind of home we need will change accordingly.Smart homebuyers don’t wait until their living arrangements reach crisis point to make a move. Instead, they are investing in properties which work from them today and – they hope –...