I'm happy to see that a lot of you reuse your potting mix. I've been doing this, too and it seems to work well.
Any day you wake up on the sunny side of the grass is a good day.
"The moving hand writes and having writ moves on. Neither all thy piety nor all thy wit can lure it back to cancel half a line nor all thy tears wash out a word of it." The Rubiyat by Omar Khayyam