I don't like the control solution on your printer. And since you said you were good with the technical stuff and possessed a level of maturity about you, I wanted to suggest a nice DIY upgrade for your ender 3. I am a big fan of MakerBase (MKS) electronics. I recommend you invest in something like this:
https://www.ebay.com/itm/MagiDeal-TF...:pf:0&LH_BIN=1
That is not my ad but the cheapest I could find the touchscreen and gen L board together. Everything is better with a color touchscreen. I have this setup on all my printers..



short video of using the touchscreen:

https://www.youtube.com/watch?v=veQp-ANKWKE