All my previous mods on Skyrim Nexus will be completely free, as will a couple of my upcoming mods, mainly because I don't think it's right to charge for something that was free already as people may rely on it for their current saves and should continue to have the same access as before, and also because most of them are not of a quality I would even consider charging for. Ideally I'd have Steam as a quick and easy way for people to pay me what they think my mod is worth while having it available for free via other sites with a donate button if they want to give me 100% of the money. In an ideal world I'd also have someone willing to hire me and I'd be able to afford to feed myself.
Modding for me started as a hobby when I was 13, back then I didn't have to worry about money so it never bothered me, it never affected how much effort I'd put into a mod, school affected time of course. Now I'm out of Uni, in a over saturated job market that has employers barely looking at me, I'm having to sell my belongings to get enough to eat and pay rent/bills, this option to charge for mods is something that could help me, even if it's a tiny amount of money it's still something that could help me live. I'd be more than happy to rely on donations if anyone did donate but a lot of people think that should purely feed back through to the mod itself (which to be fair, me continuing to live instead of starving is going to allow the mod to continue), but I've never seen a donation, I've rarely seen a thanks for mods I've made previously. I'll continue to release smaller mods for free and any that are of an IP that I do not own of course (wouldn't charge for that even if I had permission), but I have a couple larger mods in mind that I'll be charging for, and I'm considering what I could do to have a free version available but still give people incentive to buy the paid version while also being fair in the process. And I have a few ideas for that.
Whatever you think on the matter, there are plus sides to this, as much as there are bad. I'm not saying this is a good thing or a bad thing for the modding community in general, but it's that strong at this point all it will do is make a new section of mods that people who oppose the system will ignore whenever looking for new mods, maybe a little modding piracy for those who don't care about pirating things and for those who pirated Skyrim anyway nothing really changes.