What do you mean by frugal housekeeper?

This couplet means that you can succeed in whatever you do, such as academic progress, happy marriage and successful career. This is what you want. Getting better every year means getting better every year.

The bottom line means: as long as you are thrifty, don't spend money recklessly, and keep this family well, you can succeed in all aspects. In other words, everything goes well. Of course, it can also be replaced by everything, but a pair of symmetry, year after year vs everything; So in this pair, everything is better than anything.