Without Getting On the Roof & Only With a Screwdriver? Is It Possible? Is It Easy?

Watch us as we attempt to upgrade this RV vent fan, believing what Vortex says, that you can do this WITHOUT getting on the roof and WITH ONLY a phillips head screwdriver.
We found online instructions here: classacustoms.b...
Here is where we bought the vent fan: amzn.to/48GmSw2 (Amazon affiliate link)
at some points we used this 9 & 1 screwdriver:
amzn.to/3PPehPb (Amazon affiliate link)
but mostly we used this phillips head:
amzn.to/45kInzE (Amazon affiliate link)
Drew loves his trusty headlamp:
amzn.to/3RRMm3w (Amazon affiliate link)