FYI, here is today's picture of my old reliable light weight speedy cheap(ish) e-bike (aka: custom Specialized Turbo). that frame bag is 50% empty - certainly better than the old LiFePO4 battery we were buying when I originally built the thing.
Biggest lesson - 40mm tires are much, much more practical than 23mm tires, lol.
I did pretty much have the e-bike world all to myself for most of the last 8 years, but in the last year or so people have been catching on that e-bikes are a thing (although its pretty rare when a drop bar bike like this is recognized as an ebike).