“There’s only two days that matter with investment ISAs – the day you buy and the day you sell.
“So, if you were investing, this is when you could potentially start drawing out the £20,000 you’ve made in growth or less.
“If you really maximise your investment ISA allocation, you could be making some serious money in your portfolio if you could see this average rate of eight or nine percent.”
For those sceptical about the percent, she redid the calculations, and changed the interest rate per year to five percent.