Welcome to the forum
Those are your options. You pays your money and you takes
your choice.
The CHM restrictions can be overcome as described on my site
but it is not really the route to go. You might upset some
customers!
Yes webhelp has lots of files but they are all off one folder
and its subfolders so it is reasonably contained. Because you can
use skins, it looks much more professional.
There are lots of people using it and it is the correct
format for your scenario.
Help others by clicking Correct Answer if the question is answered. Found the answer elsewhere? Share it here. "Upvote" is for useful posts.