> E.g. I spend less overall than I did a few years ago but each item I buy is more expensive... An app that capitalizes on people coming to this realization (an

> E.g. I spend less overall than I did a few years ago but each item I buy is more expensive... An app that capitalizes on people coming to this realization (and knows how to market and execute it well) could make a killing. I think that nearly every person trends the same as they age and approach their adult size, even without coming to that realization, so I'd say that you're even more true than your post implies.