[mslate]

My housing and the healthcare services I pay for are the same as in 2008. I now have to pay twice as much in USD for the same goods and services.

That is the definition of currency inflation.

Exchanging more for the same.

[conanbatt]

That is an adjustment of relative prices, inflation is the generalized increase in nominal prices of all goods.

There is something called "asset inflation" but its not a correct terminology.

[mslate]

When housing and healthcare are >50% of my expenses, how much more general does the increase have to be to be counted as “inflation”?

[conanbatt]

It has to affect your salary too, which tends to be >50% of your income.