Foundations
Beating inflation: the silent tax
The most dangerous risk in Quidsmith is the one you never see happen. Inflation does not crash your portfolio; it quietly erodes what your money can buy, year after year, and cash is its favourite victim.
Why cash loses even when the number stays the same
Leave £10,000 in a current account and in ten years it is still £10,000, but prices have risen, so it buys less. At around 2.5% inflation, money loses roughly a quarter of its purchasing power over a decade in real terms. The balance looks safe. Its value is bleeding away.
Real return is what counts
The only figure that matters over a lifetime is the return above inflation. A savings account paying 2% while inflation runs 2.5% has a negative real return: you are going backwards while feeling safe. Here is roughly how the game's options stack up in real terms:
| Asset | Nominal (rough) | Real (after ~2.5% inflation) |
|---|---|---|
| Current account | 0% | about -2.5% |
| Cash / savings | ~3% | about +0.5% |
| Premium Bonds | ~3% | about +0.5% (if average) |
| Gilts | ~3.5% | about +1% |
| Property | ~3.5% | about +1% |
| Global ETF | ~7.5% | about +5% |
How to stay ahead
- Hold only what you need in cash. An emergency buffer earns its keep as safety, but every extra pound of idle cash is losing ground.
- Own growth assets for the long run. Equities and property are the reliable ways to beat inflation over decades, even after their bumpy years.
- Watch the trap of feeling safe. The cautious saver rarely loses the game outright, but often finishes poor, because inflation, not a crash, did the damage.
Safety and growth are different jobs. Cash keeps your buffer intact; only real growth keeps your future purchasing power intact. A portfolio that never beats inflation is quietly losing the game even if it never has a bad year.