How big is your l4d2 addons folder?
I have 131 addons and total size of the folder is 15,6 GB

O____________________________________________o
What the heck have you been downloading !?

I used to be like that. Now I'm super organized and I've gotten mine down to 1.09 GB with 83 files in it. I take mods out and put them in at my disclosure and only put in maps that I know I'm going to play. I keep all my mods and maps in separate folders.

340 add-ons 28,3 gb

Now I just cut and paste any of the addons that I don't need at the moment into a different folder and keep all the ones I need.

Thanks to having ridiculously large drives ..
In storage: about 24Gig in campaigns and another 8Gig in other mods (and that's after a recent clear out)
In the Addons folder itself - varies according to what I'm doing that day.

2nd Place is for me : 181 addons 9.47 GB

3,645 add-ons in L4Dmaps, 3,464 add-ons left to download ^^

And I thought that I had alot of addons... 17,4 GB and 153 mods/campaigns is nothing compared to you guys

Edit: All enabled at the same time

387 addons... 45.6 GB...

So that is why so much of my free space is gone... :\

Exactly what i do. These 131 are all enabled same time. Then i have 109 addons stored as alternative choise for another day