I've been running campaigns in a homebrew setting since D&D 2nd ed, but converting to the new systems (2 => 3 => 3.5 => PF1) was pretty simple. I downloaded the playtest rules a couple of days ago, and this new system seems like it is going to be a little more complicated to convert.
The homebrew setting has a few quirks about it: some custom races (and the elimination of some of the standard races), a bit of custom magic with some high level custom mechanics thrown in, and a very different implementation of deities and divine based casting.
The setting is very low-fantasy, with most of the goals oriented around political, social, and economic conflict rather than "good vs. evil" high fantasy concepts.
What I'd like is some insight into where to start. I have hundreds of npcs, locations, and settlements to convert, dozens of spells to convert, and 4 entire races to rebuild from the ground up.
Keep in mind that I'm just now learning the rules, but any insight would be appreciated.
Thanks in advance!