Technology gets cheaper over time while also getting better(faster,smaller), for example computer chips and computers in general. Technology also make information cheaper, like what Napster and now Spotify did to music. This is what I mean by technology is deflationary. But at the same time you have monetary expansion which causes inflation, prices go up. So you have two opposing forces. Now bitcoin is technology of money it is also deflationary because it is scarce. Scarcity in money creates abundance everywhere else. Abundance in money creates scarcity everywhere else. That’s why ppl use a house as a savings or investment because the money is abundant and depreciates in value over time so you can save in dollars.