Can you fund retirement from capital growth?

When working out a retirement strategy, often people try to work out the value of investments they will need by multiplying the amount of annual retirement income they will need by a nominal interest rate. For example, if you want $100,000 p.a. in retirement and you think you can earn an income rate of say 3% p.a., you’ll need $3.4 million of net investment assets. The more aggressive you are with your interest rate assumption, the fewer assets you need to meet your goal. The reverse is also ...