To add another data point: I'm a contractor in the London charging day rates from 300 GBP (in the beginning) to 1100 GBP (today) over the past eight years. Net

To add another data point: I'm a contractor in the London charging day rates from 300 GBP (in the beginning) to 1100 GBP (today) over the past eight years. Net worth has just crept into the seven-figure GBP range with profits being mostly invested in global equities ETFs.