Earlier quoted context omitted.
Dollars gotten cheaper over the years, I wonder what the price would be today if .coms increased with inflation. > meaning that within 10 years, .COM domains could cost approximately 70% more than the current wholesale price of $7.85 Seems reasonable over 10y period?
No, inflation isn't 5% a year in consumer prices.
That works out to roughly 2.9% per year, which is a bit above the current US overall inflation rate of 2.3%, but less than the US housing inflation rate of 3.2% [1]. I don't have an opinion on whether domain prices should increase with inflation, but the increase does seem to be in line with it.