Blogs:

https://www.doctorofcredit.com/

https://thepointsguy.com/all/

https://onemileatatime.com/

https://10xtravel.com/articles/

https://upgradedpoints.com/

https://viewfromthewing.com/

https://frequentmiler.com/

https://princeoftravel.com/blog/

https://milestomemories.com/

Reddit/Forums:

https://www.reddit.com/r/awardtravel/

https://www.reddit.com/r/churning/

https://www.reddit.com/r/CreditCards/