Answering client questions: With cash at 6%, why invest?

One of the only benefits of the Bank of England's successive interest rate rises for beleaguered households is that cash savings rates have finally risen. While they might be clobbered with higher mortgage costs, any household with a wodge of savings can finally earn a decent return on their money. Rates are now such that you can easily get more than 4% on an easy-access account and north of 6% if you fix for a year. Headline rates of 7.5% are even possible with regular savings accounts, although the limits on the monthly amounts you can save are usually pretty piddly. With 4% as your...