Thought I'd put together a list of cool spec and information sites
Comic Book Invest and Speculation - https://comicbookinvest.com
The guys at CBSI are the nuts! Lots of in depth articles and info and a cool Top 10 hottest comics. A must for any collector.
Terry Hoknes comics - http://www.hoknescomics.com
Terry is the master of comic marketplace watching , lots of good investment articles and spec.
Comics Heating up - https://comicsheatingup.net
Great site lots of good info , a must watch are the weekly pickup videos that they do with Terry Hoknes where they go through what comics they think are going to be hot the coming Wednesday. A must!!
Invest Comics - http://investcomics.com
Another great site that highlights the hot comics coming up and great videos to watch for pick tips.
Bleeding Cool - https://www.bleedingcool.com
More of a general media site but has good news and info
Comic Book Resources CBR - http://www.cbr.com
Again more of a general media site but has some great news articles from the comic book world
The Early Retirement Diary -http://earlyretirementdiary.com/
Run by Aaron Chua it's one of the most informative sites for comic book investing
Comichron - http://www.comichron.com
Invaluable site for determining print runs/sales figures for your comic releases