Back in the 1900, a pound of butter might have set you back a quarter. Nowadays, it probably costs $3 for the same thing. That's inflation, but our income more than made up for that. On the other hand, people washed their clothes by hand back then, costing almost nothing. Nowadays, a washer costs $600 dollars and a dryer costs another $600, not to mention that many of us end up all going to the dry cleaners anyway.
Read more on Wise Bread: 8 Ways Convenience is Screwing Your Finances