You will also need some towels and some scrim or Unger Microwipes, you'll also need 1 1/2" scrapers and blades, BOAB, pouches, belt. Finally, a set of 1.5m pointers
Should have gone with the Unger ergotec squeegee handle and two channels, one 6" and the other 12", then you will get three lengths from your 36" rubbers with no wastage.
I normally get the 42" rubbers as I prefer a little bit of overhang past the end of the channel.
Trad gear is still needed especially for commercial shop fronts in malls etc or on streets where access with hoses is impossible, also if you are doing insides of houses/offices.