These ladies are giving you very wise council.
There was another post awhile back that included 'square' each square as we go or regret that we didn't.
I didn't know it was so critical and wanted to sidestep all that work but I wanted to learn from all these talented people too. I started making it an automatic part of my process and it is amazing how much different my (looks like it is square) square looks after it goes under my June Taylor Shape cut and rotary cutter.
Squaring each square has changed how I feel about my work.
Many thanks to each of you who emphasized how important it is.