dont save in fiat money, it only getting worse and worse time by time.
You have to save like for emergency funds. You'll never know if you're gonna need some cash so if you think that saving in fiat is useless, you'll still need to use cash for your stuff.
investing is a godd way to avoid inflation, then after get some money you can put it back on investment.
Yes, it's a way to defeat inflation but the choices varies per investor. Not all investments are making money and your choice of investment will be prevail in the nearest future if you chose a good one.
But if not, you need to choose another one again that you're more familiar with so that you can that investment as a hedge against inflation. For people to have an idea, don't go far anymore and I am talking about Bitcoin.